Features:Basic parametersBluetooth version: V5.0Use radius: 8-12 meterscapacity: 300 mACharging time: about 1 hoursListening time: about 28 hoursCall time: about 45 hoursSupport language: Chinese/EnglishHeadset weight: about 10 gramsPackage contentsBluetooth headset*1Charging cable*1Manual *1