Recci REP-W27 Bone Conduction Earphones

Recci Flutter Air Conduction EarphonesSkin-friendly feeling comfortable wearing Much safer in outdoor sportWireless version: 5.0Transmission range: 10mBattery capacity: 110mAhPlay Time: About 4-5hrsSelf-charging time: about 2.5hrsCharging standard: DC5V/500mACharging interface: Micro USB