1、Brand new creative bone conduction headphones for better protection of the eardrum, long-term wear will not damage the eardrum. 2、Ergonomically designed, lightweight, does not put pressure on your head, and provides you with an ultra-comfortable experience of wearing for a long time. 3、Noise reduction microphone can reduce background noise, based on DSP digital noise reduction technology achieve clear voice. 4、With stable Bluetooth signal, you can have clear wireless conversation with your friends. 5、Excellent performance, bass music effect, can bring the perfect stereo sound. Features: Brand new creative bone conduction headphones for better protection of the eardrum, long-term wear will not damage the eardrum. Ergonomically designed, lightweight, does not put pressure on your head, and provides you with an ultra-comfortable experience of wearing for a long time. Noise reduction microphone can reduce background noise, based on DSP digital noise reduction technology achieve clear voice. With stable Bluetooth signal, you can have clear wireless conversation with your friends. Excellent performance, bass music effect, can bring the perfect stereo sound. Compatible with Bluetooth devices, for iPhone/Samsung/LG and other Bluetooth devices. Specifications: Material: ABS Size: Approx. 5*5*1cm/ 1.97* 1.97* 0.39inch Color: Black Bluetooth Version: 5.0 Protocol mode: HFP, AVRCP, A2DP, HSP Button function: play/pause, connect/suspend/call Working Distance: 10m/ 32.81ft Microphone: Yes Impedance: 32ohms Frequency: 2.4 GHz Echo processing: CVC Headphone battery: 35mAh Charging battery: 300mAh Working Time: 3-6h(Depending on the volume) Standby Time: 25 Days Charging Interface: Micro USB Headphone charging: Magnetic Package list: 1 x Earphone 1 x Battery Compartment Case 1 x Chinese English Instructions 1 x USB Cable