Brand Name: CATASSUStyle: Wired in-ear headphonesVocalism Principle: DynamicOrigin: Mainland ChinaMaterial: PlasticHigh-concerned chemical: noneCommunication: WireLessVolume Control: YesCategory: Earphones & HeadphonesCertification: CECertification: FCCCertification: RoHSNumber Of Drivers: 2Plug Type: Line TypeImpedance Range: up to 32 ΩHeadphone Pads Material: Synthetic LeatherActive Noise-Cancellation: YesSound Isolating: YesWaterproof: YesFrequency Response Range: 20 - 2000Magnet Type: NeodymiumVoice assistant built-in: YesWireless Type: BluetoothResistance: 32ΩLine Length: 0.8mPackage List: chargerHeight[mm]: 110Control Button: YesWidth[mm]: 80Driver Diameter: 40Depth[mm]: 170Sensitivity: 84dBIs wireless: YesWeight[g]: 170NFC Technology: noConnectors: USBEarcups Type: SealedBluetooth Version: 5.3Battery life up to[hours]: 20Total Harmonic Distortion: 0.11Charging Method: cableMax Output: 128Support Memory Card: YesSupport APP: NoFunction: for Video GameFunction: Common HeadphoneFunction: For Mobile PhoneFunction: HiFi HeadphoneFunction: SportFunction: Kids' HeadphonesFunction: For Hearing AidFunction: For OfficeFunction: For SleepFunction: For StudyBattery Capacity[mAh]: 400Maximum wireless range[m]: <10mWith Microphone: YesFrequency: 2.40GHz-2.48GHzversion: bluetooth V5.3effective distance: 10-15metersSupport system: Mobile Phone,Computer TV all have bluetooth functioncolor: red,blue,green,rose,orange gold etc.Playing time: 20hoursPower supply: powered by rechargeable 400MAH batterycharge time: about 3hoursTF function: support TF card playingmaterial: ROHS material