Material: PlasticPackage: YesModel Number: TWS L3Item Type: Speaker UnitOrigin: Mainland ChinaPacking weight (g): 120Battery Capacity[mAh]: 350mAh/0.135WhBattery life up to[hours]: 20hoursMaximum wireless range[m]: <10mSound Isolating: YESCategory: Earphones & HeadphonesEarcups Type: SealedCharging Method: Charging caseBluetooth Version: 5.0Package List: Machine, manual, charging box, charging cableFeatures: Apple Siri support, active noise cancellation, dual connectivityWith Microphone: YesIs wireless: YesSupport APP: YesControl Button: No,NoFrequency Response Range: 20 - 2000HzSensitivity: 150dBFunction: game console, ordinary headset, mobile phone, HiFi headset, sports, outdoor, office, studyActive Noise-Cancellation: YesVolume Control: NoVocalism Principle: DynamicConnectors: Type cCommunication: True WirelessStyle: In-earCertification: CE,RoHSWireless Type: bluetoothName: TWS L3 True Wireless EarphonesAduio playback: about 7hours(70% volume)Total Audio Playback: about 30hours(60% volume)Charging Time: about 1hourBattery Capacity 1: 35mAh/0.135Wh(headphones)Battery Capacity 2: 350mAh/1.48Wh(charging case)Accessories: Type-C charging cable (0.5m), earmuffs (x4) TWS L3 Headphones Bluetooth 5.3 Active Noise Cancellation -150dB Wireless Headp