Bluetoothmode: CSR8635 Bluetooth version: V5.0 Bluetooth protocol: AVRCP,HSP,HFP,A2DP Bluetooth Distance: 10M ANC frequency: 20~1000Hz ANC noisecancellation: 32 ± 2db Operating frequency: 2.402~2.480GHz Battery specification:3.7V/500mAh Charging voltage: 5V/1A Charging time: about3h Bluetoothduration: about25h Bluetooth + noisecancellation duration: about 12h Noisecancellation duration: about 50h Accessory: Type-C charging cable, 3.5mm Aux cable Color: black, silver
