Bluetooth Version：Bluetooth 4.1 compatible
Standby Time：150 Hours above
DC Charging Time：About 2 hours
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 .
Fashionable sunglasses +bluetooth headphones for driving, cycling,hiking.
Smart glasses black polarized lenses that can filter light and protect your eyesight .
Ultra Light Weight :ABS&PC material which makes it lighter and comfortable for your wearing
Support smart 1 connect 2 function, bluetooth can be connected to two mobile phones with low power consumption
Foldable eyeglasses design freely telescoping boom speakers 270 degree rotatable