BT55
<Product Description>
• BT speaker microphone for Bluetooth radio,
smartphone, and dongle.
• Rotary power& volume control switch, phone
answer/ rejection key, and PTT button is
embedded.
• Features mini LED lamp on the top of the
speaker for a user in a dim environment.
• The desktop charger port allows you to
charge easily, built-in micro USB charging
also.
<Specification>
Type: Bluetooth Speaker Microphone
Operating Temp: -20℃±2℃ ~ 50℃±2℃
Approx. Weight: 120g
Size:5cm x7.5cm x3.0cm
Fully Qualified Bluetooth v5.0.
• Echo cancellation, noise reduction, also
extended features.
• High Quality DAC, Qualcomm CVC built-in.
• 80MHz RISC MCU and 80MIPS Kalimba
DSP.
• Fast Current (200mA) battery charge.
• RoHS compliant.
• HSP / HFP / A2DP / AVRCP/ SPP profile
support.
• Speaker Output: 2W.
• PTT function: built-in.
• Talk Range: Bluetooth class 2, 10 meters.
• Display LED: Blue and Red.
• DC Input: 5 Vdc (std.) Micro USB jack.
• DC Current: 25 mA (Average).
1
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 off 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 different from that to which the
receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications 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.
2
BT55
1. Push-to-Talk
2. Back Clip
6. Power / Volume Control
7. Cell Phone Key / Pairing button
8. Earphone Jack
9. Micro USB
3. Microphone
10. LED Indicators
4. Speaker
11. Desktop Charger
5. Logo Plate
3
BT55 State and LED Flashing Pattern
Please fully charge BT55 before you want to use it
BT55
State & Button Press
BT55 is OFF No LED BT55 OFF
When BT55 is OFF,
Both Blue & Red LED are
rotate power switch
lighten for 1 second
clockwise.
When BT55 is ON,
Red LED flashes 2 times
rotate power switch
then OFF
anticlockwise.
When BT55 is ON,
Red & Blue LED flashes
press and hold pairing
alternatively
button for 2 seconds.
Blue LED flashes once
Paired
every 2 seconds
LED Message Function
BT55 is turned ON
BT55 is turned OFF
Get BT55 into pairing
mode
Paired
Unpaired or lost link
Blue LED flashes twice
No link, no pair
every 2 seconds
4
BTT55 User manual
1. Turn the knob clockwise on the top of the BT55 to turn on the power.
2. Press and hold the pairing button 2 seconds for entering to pairing mode
Press and hold the
pairing button 2 seconds
Turn the knob clockwise
to turn on the power
when you see the Blue LED flashes twice for every 2 seconds.
5
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