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 lamp beads. Press the power button, then cover the sensor switch with your hand; when "OK" appears on the screen, gesture control can be used to change the display 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: Only the items listed above are included. Other products are not included. Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement error allowance is +/- 1-3 cm.