SPECIFICATIONSBrand Name: BASEUSBASEUS Model: D02 ProStyle: HeadphoneVocalism Principle: DynamicOrigin: Mainland ChinaMaterial: PlasticHign-concerned Chemical: NoneCommunication: Wireless+WiredVolume Control: YesCategory: Earphones & HeadphonesCertification: CENumber Of Drivers: 2Plug Type: Line TypeImpedance Range: from 33 to 100 ΩHeadphone Pads Material: otherActive Noise-Cancellation: NoSupport Memory Card: NoWaterproof: NoFrequency Response Range: 20 - 20000Magnet Type: otherWireless Type: bluetoothLine Length: 0Package List: User ManualPackage List: Charging CablePackage List: Detachable Audio CableControl Button: YesCodecs: sbcDriver Diameter: 0Resistance: 0Sensitivity: 0Is wireless: YesConnectors: 3.5mmEarcups Type: SealedBluetooth Version: 5.3Battery life up to[hours]: 50hours(70% of the volume)Total Harmonic Distortion: 1Charging Method: cableMax Output: 0Support APP: NoFunction: For Internet BarFunction: Monitor HeadphoneFunction: for Video GameFunction: Common HeadphoneFunction: For Mobile PhoneFunction: HiFi HeadphoneFunction: SportBattery Capacity[mAh]: 450mAh/3.7VMaximum wireless range[m]: <10mWith Microphone: YesFeatures: Dual ConnectionStandby time: 300 hoursRated consumption: 10mACharging time: 1.5hoursRated input: DC5V=400mAChoice: yes