Button function description: This product has a built-in 1200mAh rechargeable lithium battery. The product has three levels of white light and five levels of light functions. Press and hold the touch ring for 3 seconds to turn on the phone. Then click white light and colored light. In light mode, press and hold the touch ring for 3 seconds to turn off. For the driver to work normally and long-term, it is recommended to connect the external power supply to an adapter. Battery mode can sometimes occur when mobile or emergency situations are required. First, buy a 5V/1A adapter with a USB port yourself, connect it to the included USB charging cable, connect this product when the product to the red light on the side of the product is connected for charging. The port is activated and when the battery is fully charged, the LED is off. Charging input: 5V/1A Number of lamp beads: 8pcs 8pcs white lamp Battery capacity: 1200mah Product net weight: 250g Product gross weight: 290g Color box size: 105*105*129mm White light: three adjustable levels, colored ambient light: Five levels of color lamps (red, blue, green, purple and full 256 colors are optional Premium material: PC + high transparency Product parameters: power input: 5V / 1A (Please buy a 5V / 1A adapter plug yourself) Built-in rechargeable lithium battery: 1200mAh Power: 3W LED lamp beads: 2835 * 8PCS 5050RGB * 8pcs Color temperature: 2900-3200K Product size: D95 * 122mm Product product: Accessories: charging cable * 1 German manual * 1 Package includes: 1 * PCS Store tips: 1. The size is measured manually, please allow the error (1-3cm) 2. Due to the different pixels of the monitor, there may be some color difference, please contact the actual product.