Sleep Smallest Invisible Mini Earbuds Wireless Bluetooth Low Profile Micro Tiny Discreet Hidden Earbuds Work Small Headphones

SPECIFICATIONSBrand Name: SHUKEShuke Model: SK31Style: In-earVocalism Principle: air Vocalism PrincipleOrigin: Mainland ChinaActive Noise-Cancellation: YesMaterial: MetalMaterial: PVCMaterial: ABSMaterial: PlasticMaterial: Silica GELHign-concerned Chemical: NoneControl Button: YesCommunication: WireLessVolume Control: YesCategory: Earphones & HeadphonesCertification: FCCHeadphone Pads Material: SiliconeSound Isolating: YESWaterproof: YesWireless Type: bluetoothConnectors: Type cBluetooth Version: 5.3Charging Method: cableSupport APP: NoFunction: Common HeadphoneFunction: for PowersportsFunction: SportFunction: For OutdoorFunction: For OfficeFunction: For SleepFunction: For StudyMaximum wireless range[m]: 60m-70mWith Microphone: YesFeatures: waterproofFeatures: With MicrophoneFeatures: Active Noice Cancelling