Z18 Bone Conduction Headphones Bluetooth version: V5.2 Effective range: 15m Bluetooth Profile:A2DP,AVRCP,SPP,HFP,HSP, AVCTP,AVDTP,MAP,GAVDP Receiving sensitivity (dB)﹕86.0dBm Battery: 180mAh Power battery Talking time/Music time(H)﹕10H Standby time(H)﹕10 days Charging time(H)﹕2H USB port: Type-C USB Product weight﹕29g(exclusive the weight of boom microphones) Details Images Company Introduction Shenzhen Lonfine Innovation Technology Co. Ltd was founded in 2015. We are integrating development, manufacture, sales and maintenance together. We are dedicated to creating fashion and stable bone conduction audio equipment. For now, we obtained more than 10 appearance patents, one invention patent and six utility model patents. Ou…