Technical characteristics: Rated capacity of this product is 2000mAh battery, up to 500 cycles or more. The screen shows the charging status during charging and displays "full" when charging is complete. This product must be used with the mobile phone app (Shining Mask). Features high-power, high-brightness LED lamp beads. Press the power button and cover the sensor switch with your hand; when "OK" appears on the screen, gesture control can be used to change the screen image. Product Information: Product Name: Shining Mask LED lamp beads: 2074 pcs Pixels: 46 x 58 (irregular) Material: plastic Color: black Package Contents: 1 x Light Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement allows an error of +/- 1-3 cm.