Mini vibrations, sending sound through the cheekbones, directly to the inner ears - for awareness and comfort ,wear in the temporal bone of the ear, no need to plug the ears .

Specification :
Bone conduction technology uses vibrations to transmit sound waves directly to the cochlea
Free--Free communication while listen to music.
Safe--Non in-ear design, avoiding the risk of traffic accident.
Healthy--Listen to music without ears,no harm to your ears.
Hygiene--Out of the touch of aurical and inner ear,avoiding the risk of swelling and bacteria growth.

Description ：
Frequency response: 20Hz-20000Hz
Sensitivity: 88 ± 3dB
Built in 300 mAh Rechargeable Li-ion Battery
In-put: DC 5 V ± 0.1 V
Music Play Time: Up to 10 hours (Music Volume will affect the tempo)
Standby time: 30 days
Charging time: 0.5-2 hours
Sweat resistant:support
Certifications:CE,RoHS ,FCC
Bluetooth Version:4.1
Transmission Distance:10m,33ft
Frequency Respond Range:20-20 KHz
Talking Time:6 hours
Music Time:5 hours
Standby Time:120 hours
Speaker type:Bone Conduction Speaker
Speaker Rated power:600mW
Speaker S.P.L:88dB±3dB
Mic Sensitivity: -42±3dB

Warm tip :
Make sure that the charging device is properly connected .
If the device is not used for a long period of time ,the first charge may be switched on for several minutes before it lights up.

• Wireless stereo headphones. Connect them to your mobile phone via Bluetooth for calls or music , Bluetooth V4.1  , only 36g, Listen to music without blocking your ears, realize free communication!
• Bone conduction is a natural part of the hearing process. Barrier -free transmission distance greater than 10M . Easy to answer calling,switch songs or up/down volume of music sound.
• Frequency response range20Hz-20000Hz，It is flexibility of the frame will allow people with different head shapes comfortably wear these headphones without the fear of dropping them even doing physical exercises.
• Adjustable headband for tight and comfortable wearing, no worries of the headset falling. Universally Compatible - Suitable for most Bluetooth-enabled devices, such as iPhone6s plus 5S 5 4S and Android smartphones, Samsung Galaxy phones and so on.
• We afford 12 month warranty.If,For whatever reason,You don't absolutely love your earphone ,We'll refund you every penny.IP54 Level Waterproof , perfect for running,cyclist,hiking and fitness gym.Continuous play 6 hours. Clip design,easy to fix it on shirt,switch songs and up / down the sound.

Wireless stereo headphones. Connect them to your mobile phone via Bluetooth for calls or music , Bluetooth V4.1  , only 36g, Listen to music without blocking your ears, realize free communication!zouilks