Bluetooth 4.1 Music sunglasses, can listen music, support answer and refuse a call
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. 2. Turn on your cellphone bluetooth, find the glasses " BTglasses" device and connect it. The paring is successful when the 2 light stops flashing. 3. After this 2 steps, you can listening music and answer or refuse a call
Outdoor sport, good for cycling, running, skiing, climbing
Support Handsfree phone call, stereo music With CSR chip
Auto switch to phone talking mode when making and receiving calls, you can listen music in your cellphone,With Previous/Next Song control, Volume Up/Down control