How to use

Press and hold the power button for two seconds until the blue light which indicates power is on. For first time matching, hold the power button until the indicator light flashes, indicating pairing mode. Turn on Bluetooth on mobile phones and search for the product. Click the pair option. After matching for the first time, the headset will automatically connect after pressing power button within 10 seconds. 
Click "+" "-" to increase or decrease volume. 
Hold "+" to fast forward to the next song. 
Press the Volume key "-" to go back to the previous song. 
Press the multifunction key to pick up or hang up incoming calls. 
Click play or pause when playing music. 

Specifications
Playback time : up to 7 hours
The standby time: up to 10 days
Fully charging time : 1.8 hours
Bluetooth version: 4.0 Weight : 57 grams
Storage and maintenance
Products should be stored under a cool and dry environment with 0~45Ž temperature. This product is not entirely waterproof so do not use underwater. Check before charging if there is any liquid to prevent headset damage.
Package:
1pc*wireless bone conduction headphones 
2pcs*Silicone tension band
1pc*USB charging cable
1pc*Instruction manual