Features 100% Brand New! Compatibility: Supports Bluetooth or mobile phones with hands-free Bluetooth protocol and other portable devices that support AVRCP Smart headphones, built-in microphone, support hands-free phone Stereo sound, Bluetooth wireless, high quality and convenient Velvet skin-friendly material, comfortable and soft, no ear pressure Fit nose bridge, good shading effect, not afraid of light interference, sleep when you want to sleep Large-capacity lithium battery, durable and practical, safe and energy saving Real-time monitoring of remaining power, adjusting the volume, cutting songs Style: Headband Colour: Black Wireless Type: Bluetooth Battery Capacity: 180mAh Weight: 106g Sustainable work Approx for 3-4 hours Package Contents 1 x headmask headphone