Durable BuildSweat ProofPure Base Performance3 Button MicUniversal Control5 Hour BatteryWirelessPower bank system chargingSmooth sound qualityBluetooth standard:Bluetooth 5.1 versionConnection Standby: More than 5 HoursTalk time : More than 3 hoursSong time :2.5 to 3 hoursCharging time :1 hour