" Features: Harmless material It is harmless to the body and non-toxic to the environment. One size The mask best fits one size. Visual design Go through the eye hole without any obstacles, you can cut a bit to enlarge the nose hole. There is enough space to breathe freely. The right occasion Face masks are suitable for various festivals, very suitable for Halloween, Easter, Christmas, carnivals, school performances, role playing, etc. Specification: Size: One size fits most Package includes: 1 x face mask headgear Notes: 1. Precautions for use: The new mask will have a peculiar smell, please open the package and store it in a ventilated place for 24 hours before use. 2. Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. 3. Due to manual measurement, please allow a measurement deviation of 1-3 cm." Bluetooth Programmable DIY Photo Full Color Animation LED Text Men's Mask 1. Product Information APP Name: Shining Mask Product size: 225*180*50mm LED lamp beads: 2074pcs Pixels: 46*58 (irregular) Battery Performance : 103450 Polymer Battery or 3 AA batteries can choose (Built-in lithium battery can be charged or use 3PCS AA battery power supply) Product MaterialABS+PVC lens+Silica gel Input voltage/current : 5 V/1A Charging typeType-c interface charging (The 3 AA battery style has no charging port lithium battery Charge time : 5 hours lithium battery Use time : 12 hours 2. Technical characteristics Rated capacity of this product is 2000mAh. Long life battery, up to 500 cycles or more. This product needs to be used with the mobile phone APP (Shining Mask). Adopting high power, high light, long life 2074 lamp beads and 2121 RGB LED lamp beads. The screen will show the charging status when charging, when finish charging will display full . Press the power button, and then cover the sensor switch with the hand, when display ' OK ' in the screen, then can use gestures to change the screen picture. Package Included: 1*Display Mask 1*English Manual Note: Because of transportation safety, we do not send 3PCS AA batteries, please buy at local stores 3. Introduction of the interface APP name: Shining Mask Operational guidelines 1. Mobile phone can scan the following QR code for download installation, or go to the Google Play/APP Store, search "Shining Glasses" to download, Scan QR code download APP 2. Turn on "Shining mask" APP, turn on Bluetooth Note: 1. The first time you open APP, you have permission options, please select permission 2. If Android phone can not search for Bluetooth, please check if the location is open 3. Have a great time shopping!