Elastic and comfortable ear straps effectively fix the mask; another elastic strap with buckle can be adjusted to fit the appropriate size and prevent the mask from sliding off.

Product name: LED colorful mask
Product material: fiber optic cloth + LED light
Product size: diamond 7.5 '' * 3.9 '' * 1.1 '', square 6.3 '' * 3.9 '' * 1.1 ''
Product color: black, white
Light color: color gradient / breathing light dimming
Power supply: USB charging 3.7V, 400 mA
Product use time: charging for 1-2 hours, continuous lighting for about 10-12 hours
Product weight: about 60 grams (including packaging)

High-quality Materials
Fiber fabric.Safety and Breathable, No any weird odor or any smell for the LED light mask. Comes with a rechargeable battery and a USB cable, Easily charge like your phone. USB charging for 1 hour will keep the light working for about 3 hours.

Humanized Design
3D fits face design with adjustable strap to fit your face, super wide and comfortable elastic straps can be adjusted to fit, comfortable for wearing, giving you an amazing experience! Won't heat up.