B2 Bone Conduction Headsets Wireless Bluetooth 4.0 Earphone ( Item#: V3439GR )

Release your ears, enjoy the listening pleasure in a healthy and safe way with Bone Conduction headphone. Using innovative bone conduction technology, the headphone conducts the speaker through the bone and transmits sound to the bone near the external canal, then to auditory nerve. It avoids the occurrence of ear damage and hearing losing, giving your healthy listening. With this Bone Conduction headphone, you can answer the incoming-call, listen to music while walking, running, climbing, skating, driving, etc.

Features:  
Bone Conduction Design: The sound transmits through the bone to auditory nerve, no need to put into ear, no eardrum damage, good for user to advoid ear disease and hearing losing.
Ear-free Keeping Danger Away: Release your ears to listen the world, you can response to the surrounding situation quickly, far away from dangerous.
Hands-free with Microphone: With built-in Microphone, it supports hands-free calls, greatly set free you hands from answering the call during exercise.
Perfect for Sports: Sweat-resistant design immerse you in sports and music, suitable for walking, hiking, running, climbing, skating, driving and other indoor or outdoor activities.
Long Battery Life: Built-in 180mAh rechargeable Li-polymer battery provides up to 6 hours of playback time on one full charge and the standby time can last to 30 days.
 
Offers Much More Convenience:
* Wireless Bluetooth 4.0 Technology ensures transmitting strong signal in high quality and high speed.
* Compatible with almost all Bluetooth-enabled mobile devices such as, for iPhone X 8 Plus, for Samsung S8, Tablet PC, etc.
* Easily control playing / pausing, adjusting the volume, previous / next song, answering / rejecting / ending an incoming-call and redialing the last number.
* Creative ergonomics design, balanced wear, tight on the ear. Foldable design, easy to carry and custody.

Specifications:
Model Number: B2
Bluetooth Version: V4.0
Operation range: Up to 10 meters
Frequency Range: 100-18KHz
Microphone Sensitive: -42dB
Impedance: 32Ω
Battery: 180mAh Li-Polymer Battery
Music Playing Time: up to 6 hours (depends on music volume)
Standby time: 30 days
Charging Time: about 2 hours
Charging: DC 5V adapter or computer USB output port
Main Item Size: 14.5 * 11.8 * 2.4cm / 5.70 * 4.64 * 0.94in
Main Item Weight: 42g / 1.50oz
Package Size: 13.2 * 12.5 * 4.2cm / 5.19 * 4.92 * 1.65in
Package Weight: 220g / 7.76oz

Package List:   
1 * Bone Conduction Headphone
1 * USB Cable
1 * Storage Bag
1 * English User Manual