SPECIFICATIONSActive Noise-Cancellation: NoAudio latency: 1Bluetooth Version: 5.2Brand Name: NONECategory: Earphones & HeadphonesCertification: CECharging Method: cableCharging Time: 1Choice: yesCodecs: sbcCommunication: WireLessConnectors: Type cControl Button: YesControl Method: Push buttonDepartment: Unisex-adultDriver Diameter: 11Earcups Type: SealedFeatures: Waterproof,With microphoneFrequency Response Range: 20 - 20000Function: For Internet Bar,for Video Game,Common Headphone,For Mobile Phone,HiFi Headphone,Sport,Kids' Headphones,For Outdoor,For Office,For StudyHeadphone Pads Material: Soft FoamHigh-concerned chemical: noneImpedance Range: up to 32 Is wireless: YesLine Length: 0Magnet Type: FerriteMaterial: PVC,Plastic,Silica GelNumber Of Drivers: 2Origin: Mainland ChinaPackage List: User Manual,Charging CablePlug Type: L BendingResistance: 32Speaker maximum output power: 3.7Style: Ows ear hook headphonesSupport APP: YesSupport Memory Card: NoTotal Harmonic Distortion: 1Vocalism Principle: DynamicVoice assistant built-in: YesVolume Control: YesWaterproof: YesWireless Type: BluetoothWith Microphone: Yessemi_Choice: yeswhether electrical: YesK6 TWS Bluetooth Headphone Wireless Earphone Stereo Headset sportEarbuds microphone with charging box forsmartphone VS E6S E7 F9Productslist:1*BluetoothEarphone1*ChargingCable1*UserManual ( Note : With product retail box package!!! )