Name: New Concept Bluetooth HeadsetBluetooth: version 5.0Bluetooth distance: 15 metersBattery capacity: 1 50mAhWaterproof rating: IP55Battery voltage: 3.7VShell material: injection molding PC+ABSStandby time: 10 daysSpeaker impedance: 8th +3dBPlaying time: 6 hours (standard state)Memory wire: Nitinol steel wireCharging method: Micro USB interfaceFrequency response: 80-20kHZAppearance size: 133*97*46mm (reference)Charging input standard: DC 5V--- 500mAMicrophone sensitivity: -42+2dBCharging time: 2 hours
