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 0~45? temperature. This product is not entirely waterproof so do not use underwater. Check before charging if there is any liquid to prevent headset damage.
What Included in the package:
1pc*wireless bone conduction headphones
2pcs*Silicone tension band
1pc*USB charging cable
1pc*Instruction manual
Notes:
Please adjust the volume when using the headset to avoid hearing damage.

• Innovative Bone Conduction Technology -- Transmit sound through the skull directly to the auditory center, which eliminates many steps of acoustic transmission. It can achieve clear sound reduction in a noisy environment, so as to release the ears and revert to the delicate tone function. Suitable for people who jog, run, cycle, etc
• Built-in Headphone, Free Your Hands: Wireless bone conduction headphone ensures handsfree calling / answering and music listening in driving,riding.
• Adjustable silicone tension band for tight and comfortable wearing. No worries of the headset falling.
• Bluetooth4.0 is fully backward compatible with most Bluetooth version device . Such as iPhone6s plus 5S 5 4S and Android smartphones, Samsung Galaxy Phones and so on.
• Less Interference, More Safety-- Bone conduction speaker makes the sound directly transmitted to bone chain through internal conduction of bone, helps you enjoy the purest sound and keep sensitivity to surrounding sound in a noisy environment.

Innovative Bone Conduction Technology -- Transmit sound through the skull directly to the auditory center, which eliminates many steps of acoustic transmission. It can achieve clear sound reduction in a noisy environment, so as to release the ears and revert to the delicate tone function. Suitable for people who jog, run, cycle, etcPowerRider