3. Bluetooth instructions
1) Preparation
Long press the key, hear Dudu Dudu, Bluetooth is open;
2) Connected to the phone as follows: (Phone Bluetooth must be set to open)
4. Attentions:
1) Do not adjust the output voltage higher than the device voltage, otherwise it may cause
damage to the device.Please be sure to be clear before use.
2) Please use the specified charger.
3) No short circuit, broken down and thrown into the fire.
4) Do not disassemble and reform the charger and battery.
5) Keep away from moisture.
Bluetooth 4.0 (BLE):2402MHz~2480Mhz
Modulation:GFSK
Antenna:PCB Antenna