Brand WUXING Model WXS2 Overall weight 26g (excluding charger) Appearance color Apple White, Chinese Red, Elegant Black Battery capacity 140mAh Charging method Magnetic suction type Charging voltage DC 5V (USB a4.0mm gold-plated magnetic suction) Charging time 1.5h drive 16.2mm (32Q dynamic coil type) sensitivity 103dB working frequency 30Hz~24kHz output power 150MW Bluetooth version five point three Call distance 10-15m Playback duration Over 8 hours Standby duration 150h