Rechargeable Black Cotton Face Mask LED Mouth, Bluetooth APP Control

The combination of LED display and face mask use brings you a different and fun experience.

APP Bluetooth control, available with self-pattern, music rhythm, letter scrolling, call alert, and DIY functions. 

Support nine languages, Chinese, English, French, German, Korean, Russian, Spanish, Portuguese. 

Recyclable to use, with removable PM2.5 filter, comfortable and breathable. 

USB charging. Waterproof. 

Material: cotton + non-woven

Mask style: hanging ear type

Size: even size

Color: Black

Battery: 450mAh 5V/1A

Charging time: 2 hours

Use time: 6-8 hours

Dimension: L200*W130mm