SPECIFICATIONSActive Noise-Cancellation: NoBattery Capacity[mAh]: 300Bluetooth Version: OtherBrand Name: MINISOCategory: Earphones & HeadphonesCertification: CE,FCCCharging Method: Charging caseChoice: yesCommunication: WireLessConnectors: Type cControl Button: NoDriver Diameter: 13Earcups Type: Semi-openFeatures: With microphoneFrequency Response Range: 20 - 20000Function: Common Headphone,For Mobile Phone,for Powersports,HiFi Headphone,Sport,For Hearing Aid,For Outdoor,For Office,For StudyHeadphone Pads Material: OtherHigh-concerned chemical: NoneImpedance Range: up to 32 ΩIs wireless: YesMaterial: Metal,Glass,Silica GelMaximum wireless range[m]: <10mNFC Technology: NoNumber Of Drivers: 2Origin: Mainland ChinaPackage List: User Manual,Charging case,Carrying BagPlug Type: NONESensitivity: 96Sound Isolating: NoStyle: Ows ear hook headphonesSupport APP: YesVocalism Principle: DynamicVoice assistant built-in: NoVolume Control: YesWaterproof: NoWireless Type: BluetoothWith Microphone: Yes