Charge the B3
For the first using, please fully charged the model B3.
Power on/off
Hold MFB button to switch on/off.
Note:
1. After power on and B3 did not connect with any device,
it could enter into pairing mode quickly with Blue LED
flashes.
2. The B3 will power off automatically when the battery
voltages is lower than 3.1V.
Attention: Do not turn on the unit within 3 seconds after
switched off, for the voltage of the chipset may not
disappear totally after shut off.
Select from TX or RX mode
Slide to TX or RX to select between transmitter or receiver
mode after powered off.
Pairing mode
Power on the unit, double click the MFB to enter pairing
mode:
In TX mode, it will be out from pairing mode if no
connections after 2 minutes.
In RX mode, it will power off automatically if no
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