I9s / i7s TWS 5.0 Bluetooth earphone Wireless Headphones 3D stereo With microphone Bluetooth Sports headset For iphone Samsung

Brand Name: FERSHAConnectors: NoneControl Button: YesActive Noise-Cancellation: YesStyle: HeadphoneCommunication: WirelessVocalism Principle: OtherVolume Control: NoWireless Type: BluetoothCodecs: NONESupport Memory Card: NoWith Microphone: YesModel Number: i9sResistance: 320ΩFrequency Response Range: 20-20000HzFunction: For Internet BarFunction: Monitor HeadphoneFunction: for Video GameFunction: Common HeadphoneFunction: For Mobile PhoneFunction: For iPodFunction: HiFi HeadphoneFunction: SportSensitivity: 115±3dBWaterproof: YesIs wireless: YesLine Length: NonePlug Type: WirelessSupport APP: YesHeadphone battery capacity: 45 mAhBattery compartment battery capacity: 400 mAhListening to music time: 2-3 hoursStandby time: 100 hoursCall time: 3-4 hoursCharging time: 40 minutes