SPECIFICATIONSBrand Name: CUFOKStyle: Ear HookVocalism Principle: DynamicOrigin: Mainland ChinaMaterial: ABSHign-concerned Chemical: NoneCommunication: True WirelessVolume Control: YesCategory: Earphones & HeadphonesCertification: CECertification: FCCCertification: RoHSFrequency Response Range: 50 - 20000Voice assistant built-in: YESWireless Type: bluetoothPackage List: User ManualPackage List: Charging casePackage List: Charging CableControl Button: YesCodecs: AACCodecs: sbcResistance: 32Sensitivity: 85Is wireless: YesConnectors: Type cCharging Method: Charging caseFunction: For Internet BarFunction: Monitor HeadphoneFunction: for Video GameFunction: for FlyingFunction: Common HeadphoneFunction: for Hunting & ShootingFunction: For Mobile PhoneFunction: for PowersportsFunction: HiFi HeadphoneFunction: SportFunction: Kids' HeadphonesFunction: For OutdoorFunction: For OfficeFunction: For DJFunction: For StudyWith Microphone: YesFeatures: waterproofFeatures: With MicrophoneFeatures: Amazon Alexa SupportFeatures: Apple Siri SupportFeatures: Playback ControlFeatures: Google Assistant SupportSupport: Wholesale/DropshippingShipment: Fast Shipping