Features: brand new and high quality Perfect light blocking, high-quality sleep: 3D Bluetooth-compatible headset eye mask covers the nose, unique design, effectively blocking light from entering, preventing light leakage, allowing you to sleep better, allowing you to listen to music without additional headphones, making you faster fall asleep. The unique 3D contour design makes your eyes stress-free: the use of incredibly comfortable fabrics, comfortable and stress-free, brings a comfortable and long-lasting sleep, allows you to release for facial pressure, and helps you fall asleep quickly. 2 hours fast charge, 10 hours continuous playback: built-in upgraded powerful battery chip and microphone,The Bluetooth-compatible sleep mask headset only needs to be charged for 1~2H, and the playback for time can reach 10H. This Bluetooth-compatible eye mask will not beep to wake you up, and you will sleep well. No light, like late at night: The unique design of the nose bridge can block all light, fit your nose better, keep you completely dark, let you rest comfortably, suitable for home, office, and rest in the car Or block unwanted light from electronic equipment, easy to carry and store. Great gift choice: The size of the 3D eye mask is suitable for women/men/children/teens. It is the best choice for boys and girls, boyfriends, girlfriends, husbands, wives, teachers, etc. as gifts. Specifications: Material:Cloth Bluetooth-commpatible Version: 5.0 Bluetooth-commpatible Protocol: AGHSP Transmission Distance: Approx.10 Meters Headphone Channel: Stereo (2.0) Music Playback Time: Maximum Sound 7h, Medium Volume 10 Hours Microphone Distance: 1 Meter Bluetooth-commpatible Standby Time: 72h Battery Capacity: 180ma/h Battery Power: 0.55w Speaker Impedance: 32 Ohms Charging Time: 1-2 Hours Maximum Input Voltage: for DC 5V Note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Sleep Headphone