The traditional headphone is the air conduction speaker， the air vibration makes the sound， and the sound transmits to external canal， eardrum， ear bone， ear tube and cochlear， then to the auditory nerves. While the Bone Conduction headphone conduct the speaker through the bone， it transmits sound to the bone near the external canal， then to auditory nerve. To avoid the occurrence of ear damage and hearing losing， the sound is not transmits through external canal and eardrum. The Bone Conduction headphone uses the advanced bone conduction technology， you can use the Bone Conduction headphone to answer the incoming call， listen to music， etc， and it is suitable for walking， running， climbing， skating， skiing sport， diving， etc. It will bring you a brand new using experience of using. 

Features: 
Open the ear to listen the world， liberated the ear， far away from dangerous， response to the surrounding situation quickly， suitable for walking， running， climbing， skating， riding， sport， etc. 
No eardrum damage， it is an healthy， eco-friendly headphone， suitable for child， young people， and also suitable for the person who uses the headphone frequently to avoid damaging the ear. 
No need the eardrum， the sound transmits through the bone to auditory nerve， perfectly suitable for people has trouble in listen and suitable any other people. 
No need put into ear， easy to clean， to improve the air flows in the ear， enhanced discharge and evaporation， to improve the reliability of the precipitating bacterial clearance， to avoid more ear disease and delay the hearing loss.    
Sweatproof design (normal use the headset whether it is rainy day or sweat).
Uses high-performance Stereo Bluetooth ISSC1861S (Bluetooth 3.0 + EDR) chip to ensure high-fidelity sound quality and stable performance. Also supports NFC function. 
Uses Noise Reduction and echo cancellation technology. 
Built-in high-performance Microphone and Speaker， offering you HiFi sound effect(Perfect sound Quality and clear communication effect.) 
Supports English Voice Prompt. Also supports hands-free calls， thoroughly set free you hands from answering the call during exercise.
Enjoy music wirelessly， easy to switch between calls and music， you will not miss any incoming call whilst listening to music. 
Compatible with almost all Bluetooth-enabled mobile devices such as， for iPhone6 6Plus 5S， for Samsung S6 S5 S4/Note 4 3 2， for HTC One， Tablet PC， Laptop， etc. Supports auto-reconnect. 
Use creative ergonomics design， comfortable to wear.
Easily control playing / pausing， adjusting the volume， previous/next songs， answering / rejecting / ending an incoming call and redialing the last number. 
The included Indicator light shows the status of the Bone Conduction Headset. 

Specifications:
Brand Name: DIGICare
Bluetooth Version: Bluetooth 3.0 (Bluetooth Chip: ISSC1861S); Class 2.
Supports Bluetooth Profile: HSP， HFP， A2DP， AVRCP， GAVDP， AVDTP protocol. 
Speaker: Bone Conduction Technology Speaker (2 * 1W dual speaker).
Mic: Anti‐interference microphones (‐50DB)
Frequency Response: 100Hz--20KHz
Microphone Sensitivity: -41dB±3Db
Receiving Sensitivity: 88dBm 
Impedance: 32Ω. 
Sound Channel: Two-Channel Stereo
Operation range: Up to 10 meters 
Built-in High-performance Rechargeable 260mAh Polymer battery.
Music Playing Time: Up to 6 hours (The Music Volume will affect the time)
Standby Time: 10 days
Charging Time: 2 hours (Via the included Micro USB Port)
Color: Black， White (Optional)
Main item weight: 49g / 1.72oz
Package size: 17.0 * 13.0 * 6.0cm / 6.69 * 5.11 * 2.36in
Package weight: 260g / 9.17oz

Package list:  
1 * Wireless Sport Stereo Bluetooth 3.0 + EDR Bone Conduction Headset
1 * USB Cable
1 * Strap 
1 * Hook Chain 
1 * Pair of earplug for noise avoiding
1 * Cloth Bag
1 * English User Manual