3D Bluetooth Sleep Eye Mask

Get a great night sleep uninterrupted.  ENJOYING Mask helps to sleep by block out light and blocks out outside noises. While you will improve your sleep quality and duration, it also relaxes your body and mind. As a result, our mask assists in reducing headaches and tiredness. The inside of the mask providing a comfortable feeling and is adapted to any nose curve. Bluetooth Button Description 1. Power switch key/phone hang up/pause/play2. Volume up key/Next key3. Volume down key/previous song4. Microphone hole5. USB charging port Bluetooth parameter description Frequency range: 20-20KHZSensitivity: 95DMImpedance: 32 ohmsSpeaker size: 32mmTransmission distance: CLASSⅡOperating range: 10MCharging time: 2HPlay time: 10HBattery: 200mAh lithium batteryAccessories: data cable + manualBluetooth version: V5.0Bluetooth search name: BT-01