SpecificationPlug Type:WirelessWireless Type:BluetoothFrequency Response Range:20-22000HzCommunication:WirelessSensitivity:90dB Style:In-EarResistance:16ΩWireless Earbuds ParametersBattery Capacity(Charging case): Internal 500mah rechargeable batteryBattery Capacity(earbuds): Internal 60mah rechargeable batteryCharging…