What's in the box:

Led Display Magic Mask Face Mask Washable, APP Operation, USB Rechargeble, Multi-lingual LED Silicone Face Mask, DIY Any Design As Your Like for Festivals, Raves, Parties, Halloween, Costume (Grey)

Features:
App controlled: There is a QR code in the product manual. The software called "iBigMouth" can be downloaded from the mobile app store. APP controls the LED display, you can DIY input, text, pattern, music rhythm, call reminder. Please refer to the manual for details.
Rechargeable & Wireless: Built-in lightweight USB rechargeable battery, ultra-long life battery, up to 500 cycles or more.
Interesting DIY Mode: with music rhythm mode, mobile phone playing music mask shows the rhythm effect.
Multi-lingual: SupportChinese/TraditionalChinese/Japanese/English/German/Portuguese/Spanish/French/Korean/Russian/Italy.
Safe, Breathable Design: Made with high-quality breathable and not stuffy silicone, which is SAFE & COMFORTABLE to wear and fits the human face.
Washable: The silicone body can be washed repeatedly, and the display and filter need to be removed before cleaning.
Application: festivals, raves, parties, sports, dancing, Halloween, costume, etc.

Specifications:
Battery: polymer battery 450mah
USB charging: 5V, 1A
Screen size: 101*115mm
Charging type: Type-c interface charging
Charging time: 2-3 hours
Color: Black, Grey, Blue(optional)
Mode: APP Operation
Patterm: Various animation patterns,support DIY patterns
Text Edit: Suppor multi-language input
Doodle editor: Creative graffiti display
Display mode:Fixed,left,right,up,downn,blink
Music mode: Music rhythm + microphone
Package size: 20*14*1cm
Pacakge weight: 55g

Package list:
1* Face Mask
1* Usage manual