Model Number: Rock Mumo Bluetooth EarphoneStyle: In-EarFunction: Bluetooth，Noise Cancelling，MicrophoneCommunication: WiredConnectors: 3.5mmUse: SportPackage: YesWith Microphone: YesIs wireless: NoColor: Red，Green ，GrayUnit Type: piece 1. Product Name: Mumo Bluetooth Earphone 2. Standby Time: 45-60h 3. Talk Time: 3.5-4h 4. Music Time: 3-4h 5. Charging Time: 1.5-3h 7. Mic Spec: 4015-42dB��3dB 8. Communication Range: <10m