SPECIFICATIONSBrand Name: BASEUSStyle: In-earVocalism Principle: DynamicOrigin: Mainland ChinaMaterial: ABSMaterial: PlasticHign-concerned Chemical: NoneCommunication: True WirelessVolume Control: NoCategory: Earphones & HeadphonesCertification: CECertification: FCCCertification: RoHSImpedance Range: from 33 to 100 ΩActive Noise-Cancellation: NoSound Isolating: noWaterproof: YesFrequency Response Range: 20 - 20000Voice assistant built-in: noWireless Type: bluetoothPackage List: User ManualPackage List: Charging casePackage List: Charging CablePackage List: Replaceable Pads SetControl Button: NoCodecs: AACCodecs: sbcIs wireless: YesWeight[g]: 92NFC Technology: noConnectors: Type cBluetooth Version: 5.3Battery life up to[hours]: 33HCharging Method: Charging caseSupport APP: NoFunction: For Internet BarFunction: for Video GameFunction: Common HeadphoneFunction: For Mobile PhoneFunction: HiFi HeadphoneFunction: SportFunction: For OutdoorFunction: For OfficeFunction: For StudyMaximum wireless range[m]: <10mWith Microphone: YesFeatures: waterproofFeatures: With MicrophoneChoice: yes