?This Bone Conduction Wireless Bluetooth Headset has an U composite ergonomic design £¬ even long-wearing£¬ still comfortable. Exquisite piano paint technology£¬ with the smooth matte feel inside£¬ textured form unforgettable experience£¬ make the unforgettable feeling experience. Show you the real world£¬ restore the sound perfectly for calling£¬ listening music£¬ play games. <br> <br> <strong>Features:</strong> <br> Open the ear£¬ away from danger. <br> Calling while driving£¬ safety. <br> Clean£¬ keep your ears away from the bacterium. <br> The U-Shaped design£¬ comfortable to wear. <br> Bluetooth stereo. <br> Wireless Freedom. <br> Clear Calling. <br> A wonderful solution for vision-impaired individuals. <br> <br> <strong>Specifications:</strong> <br> Speaker Type: Bone Conduction Wireless Bluetooth Headset <br> Model: YKL-7OI <br> Material: Plastic <br> Color: Black <br> Bluetooth version: V4.0 <br> Li-battery: 3.7V / 200mAh <br> Frequency rang: 100Hz~18KHz <br> Playback time: Up to 6 hours (depending on volume etc) <br> Standby time: Up to 30 days <br> Charging time: About 3 hours <br> Wireless range: 10 meters <br> Product size: Approx. 14.5 * 14.5cm / 5.7 * 5.7in (L * W) <br> Product weight: Approx. 49g / 1.7oz <br> Package size: Approx. 17.5 * 17.5 * 6.5cm / 6.9 * 6.9 * 2.6in <br> Package weight: Approx. 291g / 10.3oz <br> <br> <strong>Package including:?</strong> <br> 1 * Bone Conduction Bluetooth Headset <br> 1 * USB Cable