MINISO
Instruction manual
Bluetooth stereo headsets for neck - mounted sports
Model: BT – 551
Page 1
Product description
1. Connect line 6. Multifunction button
2. Receiver line 7. Ear tip
3. USB charging port 8. Volume - / up
4.MIC 9. Volume + / next
5.Indicator light
Page 2
Specifications and parameters
Bluetooth version: Bluetooth
Size: about 30CM
Main material: ABS
Bluetooth effective distance: about 10m
Use time: 4 ~ 5 hours
Standby time: 250 hours
Charging time: about 2 hours
Charging current: 80mA
Battery capacity: 100mA
Page 3
4.2
Basic operation
Boot
Long press multifunction key 3S to blue light, blue lamp flicker 3
times, then achieve boot function (vibration once), red and blue
light alternate flicker, realize automatic enter bluetooth pair
pattern
To turn it off
Long press the multi-function key 3S, shutdown (vibration once),
red light flashing 3 times
Pairing
①When the power is turned off, the long press is a 3S, the blue
light is switched to the red light and the blue light is flashing
into the matching mode, the red and blue light is flashing
②Press MFB button for 6 seconds to enter the matching mode
when the machine is off. (do not have the back function in the
matching mode)
Connection
The headset is in pairing mode, the blue light flashes in 10
seconds, turns on the bluetooth on the phone, searches for the
corresponding bluetooth pairing name (BT - 551), and clicks the
connection
Page 4
Disconnect
In the connection state, the blue light is 10 seconds brighter
and the headset is outside the receiver or the bluetooth is
turned off, causing the connection to disconnect and enter the
reconnect mode
Back to the
①When connecting, turn off the headset and reboot (the
Iphone is not turned off) to initiate a reconnect
②When the earphone and the phone are at a valid distance,
the headphone is disconnected from the phone, and the
headset enters the connected mode, and within 5min (before
shutdown), the headset can return to the effective range and
initiate the reconnect
③The headphone can only go back to the last device
Low electricity
When the battery voltage is 3.3 V, start the low power reminder,
1min to the voice "low battery please charge", the battery
voltage in 5min is no less than the power off voltage (3.0v), the
headset automatically shuts down, the red light flashes 1 times
in 5 second
Page 5
Automatic shutdown
In the boot state, if there is no device connection, the bluetooth
headset will be automatically closed after 5 minutes and the
red light will be flashing 3 times
Drag and drop function
The headset turns on A bluetooth connection and turns off the
bluetooth.The headset restarts to connect to the phone B, then
opens the connection record of phone A, clicks the connection,
realizes the function of one and two, and the blue light flashes in 10
secondss
The volume adjustment
In the connection state, press the V + key to trigger the add sound action,
the sound is added to the voice, the apple phone will synchronize the
volume, and at the maximum volume there is a hint, the maximum
volume is a hint "drip".
In the connection state, press the v-button briefly to trigger the sound
reduction, and the voice is reduced to one, and the iphone is in sync
Music operation
The last song: in the connection state, the long press V - button 2 seconds to trigger
the last action, play a song
Next: in connection state, the long press V + button 2 seconds to trigger the next
action, play the next song
Page 6
Call
The motor vibrates, similar to cell phone calls
Answer the phone
In the caller state, press MFB button one time to trigger the phone
call
Hang up the phone
When answering the phone, press the MFB button once to trigger
the hang up
Phone redial
Double - click the MFB key to repress the last phone number in any
mode
Refuse to answer the phone
In the caller state, the long press MFB button 2 seconds, triggering
the refuse to listen to the phone movements
Call transfer
In the call, the long press MFB button for 2 seconds to achieve
the call transfer (switching between the phone and the
headset)Phone mute
In the call, press MFB button twice to trigger Mute on/Mute off.
Page 7
Charger and current
Before using any of the charger for this earphone, please check the
specifications of the charger label is in accordance with the
requirements, recommend the charger output voltage is: 5 v, output
current is 80 ma, it is very likely charging voltage is too high to
damage the bluetooth headset, charging, normally on a red light
Precautions and warnings
1. Fire prevention, moisture-proof and anti-fall.
2. Use the distribution data line to charge the
bluetooth headset, and use other data lines to cause
damage to the bluetooth headset.
3. The dental headset is equipped with the function of
the absorbent stone, such as metal plate or electronic
equipment in the body, please consult with the doctor
to purchase or try out the bluetooth headset.
Page 8
FCC STATEMENT :
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.
Warning: Changes or modifications not expressly approved by
the party responsible for compliance could void the user's
authority to operate the equipment.
NOTE: 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 or more 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.
RF warning statement:
The device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction.
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