Material: PlasticCategory: Earphones & HeadphonesEarcups Type: Semi-openMax Output: 1mWNumber Of Drivers: 2Charging Method: Charging caseHeadphone Pads Material: SiliconeMagnet Type: NeodymiumDriver Diameter: 10mmTotal Harmonic Distortion: 1%Impedance Range: up to 32 ΩBluetooth Version: 5.3With Microphone: YesIs wireless: YesSupport APP: NoSupport Memory Card: NoWaterproof: YesResistance: 32ΩLine Length: 0mSensitivity: 125dBPlug Type: NONEActive Noise-Cancellation: YesVolume Control: YesControl Button: YesVocalism Principle: DynamicWireless Type: bluetoothConnectors: USBCommunication: True WirelessStyle: In-earCertification: CEOrigin: Mainland ChinaBrand Name: SCELTECH New Fashion E89 TWS Wireless Bluetooth Headphones Long Endurance HD Music Earph