product description:
Bluetooth Version：Bluetooth 4.1 compatible
Transmit Distance：10M
Conversation Time：6H
Music Time：5H
Standby Time：150 Hours above
Charging Voltage：5V
DC Charging Time：About 2 hours
Bluetooth Protocol：Headset;Hands-free
Bluetooth Spec：V2.1/3.0/4.0+EDR;
Stereo Sound + CVC noise reduction.
Turn on/off :Long press the bluetooth pause button for 5 seconds until you hear a Dumpt sound of bluetooth power on ,the bluetooth indicator flashing light on, in bluetooth power on mode , as done as turn on , until the bluetooth indicator light off , then turn off .
Bluetooth Pairing : Long press the middle button for about 8-10 seconds until the red light alternate with the blue light ,this means the bluetooth is in the paring status . Turn on your cellphone bluetooth ,find "BT glasses" device and connect it . The pairing is successful when the 2 lights stop flashing .
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