Release your ears￡? enjoy the listening pleasure in a healthy and safe way with YKL-701 Bone Conduction headphone. Using innovative bond 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￡? diving￡? etc. <br><br><strong>Features: </strong>? <br>Release the ears 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. ? <br>No eardrum damage￡? healthy and eco-friendly. It is suitable for child￡? young people who uses the headphone frequently to avoid ear damage. ? <br>The sound transmits through the bone to auditory nerve￡? perfectly suitable for people who has trouble in listening. ? <br>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.??? ? <br>Noise Reduction echo and cancellation technology ensure clear sound quality. <br>Built-in high-performance Microphone and Speaker￡? offering you perfect sound quality and clear communication effect. <br>Sweat-resistant design with Nanotechnology (Up to IPX7) immerse you in sports and music￡? no need to worry about sweat and water. <br>Supports hands-free calls￡? greatly set free you hands from answering the call during exercise. <br>Enjoy wireless music￡? easy to switch between calls and music￡? you will not miss any incoming calls whilst listening to music. ? <br>Compatible with almost all Bluetooth-enabled mobile devices such as￡? for iPhone 6S 6S Plus 6￡? for Samsung S6 S5 / Note 5 4￡? for HTC One￡? Tablet PC￡? Laptop￡? etc. <br>Creative ergonomics design￡? balance wear￡? tight on the ear. <br>One side button￡? easily control playing / pausing￡? adjusting the volume￡? previous/next songs￡? answering / rejecting / ending an incoming call and redialing the last number. ? <br>Powered by the included micro USB port. <br><br><strong>Specifications:</strong> <br>Model Number: YKL-701 ? <br>Bluetooth Version: Bluetooth 4.0 <br>Supports HSP￡? HFP￡? A2DP￡? AVRCP protocol ? <br>Frequency Response: 20Hz-2000Hz <br>Sensitivity: 123 ?à 5dB <br>Operation range: Up to 10 meters ? <br>Built-in 200mAh Rechargeable Li-ion battery <br>In-put: DC 5V ?à 0.1V￡? 500mA <br>Music Playing Time: Up to 6 hours (The Music Volume will affect the time) <br>Standby time: 30 days <br>Charging Time: 0.5-1 hours? ? <br>Color: Black <br>Main item weight: 49g / 1.72oz <br>Package size: 22.0 * 17.0 * 6.0cm / 7.28 * 5.82 * 2.36in <br>Package weight: 143g / 5.04oz <br><br><strong>Package list:? ?</strong> <br>1 * Bond Conduction Wireless Headphone <br>1 * USB Cable <br>1 * User Manual