BTH-300
®
The BTH-300 is a wireless lapel microphone kit designed
for use with a PRYMEBLU Bluetooth adapter and a two-way
PRYMEBLU
Bluetooth Microphone Kit
radio (each sold separately)
KIT 1 SHOWN
PRYME® and PRYMEBLU® are trademarks owned by PRYME Radio Products, Brea CA.
All other product or service names are the property of their respective owners.
Made in Taiwan
© 2015 PRYME Radio Products, Brea CA. All Rights Reserved
PRYMEBLU BTH-300
TOLL FREE: 800.666.2654
911 Mariner St., Brea, CA 92821
PH: 714.257.0300 FAX: 714.257.0600
BUILT-IN MICROPHONE
When the BTH-300 is used
with a listen-only earphone,
this microphone picks up the
user’s voice audio to send
over- the-air. When an
accessory containing a
microphone is used, the
internal microphone is muted.
STATUS LED
The status LED ashes
messages that let the
user know the current
status of the device.
For a complete list of
the LED messages, see
page 7.
PUSH-TO-TALK
BUTTON
When the PRYMEBLU
BTH-300 lapel
microphone is paired
with a PRYMEBLU
Bluetooth adapter,
holding this button
down activates the
Push-to-Talk feature
of the two-way radio.
PHONE BUTTON
When the BTH-300 is
paired with a cellular
telephone, this button
can be used to manage
telephone functions
such as answering
WWW.PRYME.COM
or hanging up a call.
Controls and Connection
EARPHONE/ACCESSORY JACK
Any standard 3.5 mm mono or stereo listen-only earphone can
TOP VIEW
EARPHONE/AUDIO
ACCESSORY
PRYME EH-1189SC
shown. Other
earphones/ audio
accessories are
listed below.
be plugged into this jack. Received calls will be heard over the
earphone. This jack can also be used with a 3.5 mm 4-conductor
(Apple iPhone compatible) audio accessory that contains both
an earphone and a microphone such as Apple part numbers
ME186LL/A, or MD827LL/A. (Not included.) When used with such
an accessory, received calls can be heard over the accessory
earphones and transmit audio will be taken from the accessory
microphone.
POWER BUTTON
Pressing this button for one second turns the PRYMEBLU
BTH-300 lapel microphone on or o. This button is also
used to place the lapel microphone in pairing mode so
that it can be connected wirelessly to a PRYMEBLU
adapter or a cellular telephone.
VOLUME UP/DOWN BUTTONS
These buttons can be used to set the volume level of the
earphone connected to the BTH-300’s Earphone/Accessory Jack.
USB CHARGE JACK
This micro-USB jack is used to connect the supplied charge
cable to the BTH-300 in order to recharge the device’s internal
lithium-ion battery pack.
CLOTHING CLIP
The alligator-type clip secures
the PRYMEBLU BTH-300 lapel
microphone to the user’s
clothing during use. The clip
can be rotated to allow the
mic to be better positioned.
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment o and on, the user is encouraged to
try to correct the interference by one of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit dierent from that to which
the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modications not expressly approved by the party
responsible for compliance could void the user's authority to operate this
equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
This equipment complies with FCC RF radiation exposure limits set forth for an
uncontrolled environment. To maintain compliance with FCC RF exposure
compliance requirements, please avoid direct contact to the transmitting antenna
during transmitting.
CHARGING the BTH-300 LAPEL MICROPHONE
The PRYMEBLU BTH-300 lapel microphone has an internal Lithium Ion rechargeable battery pack which
must be charged prior to operation. A fully charged battery will provide approximately 10 hours (or
more) of operation before needing to be recharged. However, operating time can vary depending on
usage and the condition of the battery pack. Recharge the battery regularly.
To charge the PRYMEBLU BTH-300 lapel microphone:
1. Ensure the PRYMEBLU Lapel Microphone is turned o using the Power Button.
2. Plug the supplied wall charger into a standard 120 volt AC outlet.
3. Plug the charge cable into the AC wall charger and then into the charge jack on the side of the lapel
microphone. You will need to remove the protective rubber cover that is inserted into the charge jack.
(To prevent dust and moisture from damaging your lapel microphone, always ensure this cover is in
place when you are not charging the lapel mic.)
4. Once the charging process has begun, the LED indicator on the back of the PRYMEBLU Lapel
Microphone will show a continuous red light. When the battery is done charging, the LED light will
turn o.
5. Typical charge time is approximately 4 hours. Actual charge time will vary depending on several
factors including the battery’s charge state, condition, and age.
6. Disconnect the charger from the lapel mic when charging is completed.
Charging Cautions:
- Use only the wall charger supplied by the
manufacturer. Do not use any other charger.
- Do not use a wall charger that appears
to be damaged. (Example: frayed wires,
melted plastic, etc.) Contact PRYME to
get a new manufacturer-approved
replacement charger.
- Do not tamper with or modify the
PRYMEBLU BTH-300 lapel microphone or charger.
- Always turn the power switch to the o¬ position
when charging the PRYMEBLU Lapel Microphone.
P-CBL-BT-USB charger cable and P-CHA-BT-USB
wall charger included with BTH-300.
Version 1.00 JULY 2015
2
CONNECTING AN AUDIO ACCESSORY TO THE BTH-300 LAPEL MICROPHONE
The PRYMEBLU BTH-300 lapel microphone has an internal
Lithium Ion rechargeable battery pack which must be charged
prior to operation. A fully charged battery will provide
approximately 10 hours (or more) of operation before
needing to be recharged. However, operating time can
vary depending on usage and the condition of the
battery pack. Recharge the battery regularly.
In order to be able to hear incoming signals
received by the two-way radio or cellular phone,
the PRYMEBLU BTH-300 lapel microphone must
be used with a wired audio accessory that includes
an earphone. A PRYME EH-1189SC ear bud-style
earphone is included with the lapel microphone kit.
However, many dierent optional wired audio
accessories are also available.
To connect an audio accessory to the BTH-300 lapel microphone:
1. Plug the audio accessory into the 3.5 mm audio jack located on the top of the PRYMEBLU BTH-300
lapel microphone. Make sure that the connector on the audio accessory is pushed all the way into the
jack on the lapel microphone.
2. You can adjust the volume of received signals by using the Volume Up and Volume Down buttons on
the lapel microphone or by adjusting the volume setting on the radio or cellular telephone.
Optional Audio Accessories:
Although the BTH-300 KIT 1 includes a PRYME ear bud-style earphone, it is possible to use a dierent
audio accessory, if you wish. The 3.5 mm audio jack on the lapel mic will accept any mono or stereo
earphone with a 3.5 mm audio plug. You can also use any 3.5 mm 4-conductor (Apple iPhone
compatible) audio accessory that includes both an earphone and a microphone, such as Apple part
numbers ME186LL/A, or MD827LL/A (not included). If the audio accessory has a built-in microphone,
transmit audio will be taken from the accessory microphone.
PRYME makes a variety of listen-only earphones and accessory microphones in dierent styles that
will work with the BTH-300:
KIT
BTH-300 KIT 1
BTH-300 KIT 2
BTH-300 KIT 3
BTH-300 KIT 4
BTH-300 KIT 5
BTH-300 KIT 6
BTH-300 KIT 7
MODEL
EH-1189SC
EH-1399SC Recon™
EH-3099SC Bullet™
EH-GH99SC G-Hook™
SPM-499D Ranger™
SPM-1599 Gladiator™
SPM-899B Highway™
TYPE
Listen-only
Listen-only
Listen-only
Listen-only
Mic+Earphone
Mic+Earphone
Mic+Earphone
STYLE
Ear Bud Earphone
Acoustic Tube Earphone
Bullet Transducer Acoustic Tube Earphone
G-hook Swivel Earphone
Boom Mic Headset with D-ring Earphone
Throat Mic Headset with Acoustic Tube Earphone
Motorcycle Helmet Boom Mic Kit
3 4
PAIRING THE BTH-300 LAPEL MICROPHONE
WITH A PRYMEBLU ADAPTER OR CELLULAR TELEPHONE
Before you can use the PRYMEBLU BTH-300,
it must be paired with the PRYMEBLU Bluetooth
adapter and/or cellular telephone that you wish
to use with the lapel microphone.
To pair the BTH-300 lapel microphone with a PRYMEBLU Bluetooth radio adapter:
1. Begin by rst making sure that the BTH-300, PRYMEBLU radio adapter, and the two-way radio the
adapter is connected to are all powered o. You should also power o any nearby Bluetooth devices.
2. Place the PRYMEBLU radio adapter into pairing mode by following the instructions that were provided
with that device. On most PRYMEBLU adapters this is done by pressing and holding the PTT/Multifunction
button on the adapter while turning the two-way radio on. Continue to hold the button down until the LED
indicator on the adapter shows two blue ashes every second.
3. Press and hold down the Power Button on the BTH-300 for ve seconds, until the LED on the adapter ashes
RED-BLUE-RED-BLUE continuously in sequence. The BTH-300 lapel microphone is now in pairing mode.
4. After a few seconds, the two devices should synch to one another. Once the BTH-300 and PRYMEBLU radio
adapter are paired with each other the status LED on the adapter will show a constant blue light for three
seconds. The LEDs on both the adapter and lapel microphone will then show one blue ash every few seconds.
5. If the PRYMEBLU radio adapter does not detect the lapel microphone within 60 seconds of being put into pairing
mode, the adapter will exit the pairing mode and resume normal operation without synching to the BTH-300.
6. Once successfully paired, you will be able to operate your 2-way radio using the PRYMEBLU BTH-300 lapel
microphone.
To pair the BTH-300 lapel microphone with a cellular telephone:
The PRYMEBLU BTH-300 is capable of working with a Bluetooth-enabled cellular telephone. The lapel
microphone is even capable of simultaneously pairing with both a PRYMEBLU Bluetooth radio adapter and
a cell phone, enabling you to use the same lapel microphone for both radio and telephone calls.
1. When pairing the lapel microphone with a cellular phone, rst make sure that the BTH-300 and all other
nearby Bluetooth devices are powered o before beginning.
2. Press and hold down the Power Button on the BTH-300 for ve seconds, until the LED on the adapter ashes
RED-BLUE-RED-BLUE continuously in sequence. The BTH-300 lapel microphone is now in pairing mode.
3. Activate the Bluetooth feature on your phone.
4. Activate the “scan/discover new Bluetooth devices” feature on the phone. The exact steps needed to do
this will vary depending on the brand/model of phone you are using.
5. Select the PRYMEBLU BTH-300 from the list of Bluetooth devices shown on your phone. If the phone asks
for a passcode, enter “0000”. The phone may also prompt you to conrm the connection.
6. After a few seconds, the two devices should synch to one another. Once the PRYMEBLU lapel microphone
and phone are paired with each other, the status LED on the microphone will revert back to a single blue
ash every few seconds.
7. Once successfully paired, you will be able to make and receive telephone calls using the PRYMEBLU
BTH-300 lapel microphone.
Reconnecting a Previously Paired Lapel Microphone and Radio Adapter/Cellular Phone
Once the PRYMEBLU BTH-300 lapel microphone and Bluetooth radio adapter and/or cellular telephone
have been successfully paired together, both devices will remember that connection. The lapel
microphone and radio adapter/phone will attempt to reestablish their link whenever they are both
powered on and in within range of each other. Re-establishing this connection can take 10-60 seconds.
Multi-Pairing Operation
If you wish to use the multi-pairing feature to connect the BTH-300 to both a PRYMEBLU Bluetooth radio
adapter and a cellular phone, you must rst separately pair both the BTH-300 with the radio adapter and
the BTH-300 with the phone using the procedures shown above.
Once the two devices have been paired individually to BTH-300, simply power the both the BTH-300 and
two-way radio/Bluetooth radio adapter o¬n, and then enable the Bluetooth feature on the phone.
Within a few seconds, all three devices should connect to each other, enabling operation.
NOTE: When you are on a phone call, signals received by the two-way radio will not be heard.
Additionally, if you press the PTT button on the PRYMBLU Speaker Microphone while you are on a phone
call, the two-way radio will transmit, however no transmit audio will be sent over the air, since
microphone audio is being routed to the cellular phone.
TESTING and USING the BTH-300 LAPEL MICROPHONE
Once your PRYMEBLU BTH-300 lapel microphone and PRYMEBLU radio adapter and/or cellular phone
have been paired together:
Received signals will be heard through the earphone that is plugged into your BTH-300 lapel
microphone. The volume of received calls can be adjusted using the Volume Up and Volume Down
buttons on the lapel microphone or the volume control on the two-way radio or cellular phone.
As long as you are using a listen-only earphone, when transmitting or on a phone call, the operator’s
voice is picked-up by the microphone in the PRYMEBLU lapel microphone. If you are using a wired
accessory with a built-in microphone, the accessory microphone will be used instead.
Push-to-Talk can be activated one of several dierent ways:
• By pressing and holding the PTT button on the PRYMEBLU BTH-300 lapel microphone.
• By pressing and holding the Talk/Multifunction button on the PRYMEBLU Adapter.
• Using an optional wired PTT that is plugged into the PRYMEBLU Adapter.
• Using an optional PRYMEBLU Wireless Bluetooth PTT (model BT-PTT2, sold separately). Note that if you
are using a PRYMEBLU BT-PTT2, you will rst need to pair the radio adapter with the PTT using the
instructions located in the PRYMEBLU PTT User’s Guide.
Telephone functions are provided by using the BTH-300’s Phone Button.
Call State
Incoming call
Incoming call
On a call
No call
Button Press
Press Phone Button once
Press and hold Phone Button for 5 seconds
Press Phone Button once
Double press Phone Button
65
Function
Answer call
Reject call
Hang up call
Redial last number
Continued on next page
You can also activate your phone’s voice dialing feature by pressing and holding the Phone Button on
the side of the lapel microphone for three seconds. (This function works only when the microphone is
NOT also connected to a two-way radio.)
NOTE: If you are using a wired accessory with phone control buttons (such as Apple ME186LL/A) with the
BTH-300, the phone control buttons on the accessory will NOT function and should not be pressed.
When the BTH-300 lapel microphone is paired to a MP3 music player or to a cellular phone only, the
following buttons are remapped for playing music.
Button Press
Phone Button
Volume Up
Volume Down
Double-press Volume Up
Double-press Volume Down
Function
Play/Pause Music
Adjust music volume up
Adjust music volume down
Skip to next track
Skip to previous track
STATUS LED MESSAGES
The meanings of the various status LED messages shown by the PRYMEBLU BTH-300 lapel microphone
are shown on the following table:
LED INDICATION
No indication
Blue-Red-Blue-Red continuous
Two short blue ashes
Three red ashes, then o
One blue ash every 2 seconds
One blue ash every 6 seconds
Continuous red when PTT pressed
One red ash every 6 seconds
Continuous red (when connected to charger)
No indication (when connected to charger)
SPECIFICATIONS
Dimensions:
Weight:
Bluetooth Version:
Bluetooth Proles:
Bluetooth Power Class:
Sensitivity:
Range (Typical):
Built-in Battery:
Standby Current Draw:
Standby Time:
Operating Time:
Operating Temperature Range:
65 x 30 x 12 mm
22 grams (excluding earphone)
3.0
HSP, HFP, A2DP, AVRCP
Class 2
-90 dB
10 meters (30 feet)
3.7V, 190 mAH Lithium-Ion
6 mA
50 hours (max)
10 hours (max)
-15° C to + 50° C
MESSAGE MEANING
Device is o
Pairing mode
Device turned on
Device turned o
Not paired or link lost
Normal (paired) operation
PTT operation
Low battery
Charging
Charging is nished
7
SUPPORT AND WARRANTY
PRYME Radio Products warrants this product against defects in materials or workmanship
for a period of one year from the date of retail purchase. PRYME will repair or replace a
defective unit, at our option, without charge for parts or labor. The limited warranty is
extended only to the original purchaser and is valid only to consumers in the United States
and Canada. It does not cover damage or failure caused by or attributable to Acts of God,
abuse, misuse, improper or abnormal usage, faulty installation, improper maintenance,
lightning, or other incidences of excessive voltage, or any tampering or repairs by other
than a PRYME authorized repair facility. It does not cover replacement of consumable parts,
transportation costs, or damage in transit.
Repair or replacement under the terms of this warranty does not extend the terms of this
warranty. This warranty can only be modied by an ocer of PRYME Radio Products, and
then only in writing. Should this product prove defective in workmanship or material, the
consumer’s sole remedies shall be such repair or replacement as provided by the terms of
this warranty. Under no circumstances shall PRYME Radio Products be liable for any loss or
damage, direct, consequential, or incidental, arising out of the use of or inability to use this
product. Some states do not allow limitations on how long an implied warranty lasts or the
exclusions or limitations of incidental or consequential damages, so the above limitations or
exclusions may not apply to you. This warranty gives you specic legal rights. You may also
have other rights, which may vary, from state to state.
For support or warranty service on your PRYME product, contact us at 1-800-666-2654 or
visit us on the web at www.PRYME.com.
COPYRIGHT and TRADEMARK INFO
© 2015 PRYME Radio Products, Brea CA. All rights reserved.
PRYME® and PRYMEBLU® are trademarks owned by PRYME Radio Products, Brea CA.
Apple is a trademark of Apple Inc.
All other product or service names are the property of their respective owners.
DISCLAIMER: The Bluetooth wireless link used by PRYMEBLU products is an open standard,
unsecured technology. As such, it is not recommended for rst-responder or other mission
critical users.
8
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