Feature:1. Ultra‑thin and light 4mm style, easy to use and carry, and with RGB backlight, it can be used in dark places.2. 3.0 wireless fast connection, effective working distance of 10 meters, use is not restricted by location.3. Built‑in 550mAh lithium battery, long standby time, and USB power supply line, no need to worry about power supply.4. The four‑drive baffle design provides daily protection for the screen, ventilates and dissipates heat, and does not heat up for a long time.5. Strong magnetic adsorption, not easy to fall off after installation, and can provide a comfortable button feeling.How to Use:1. Switch Light and Bluetooth Indicator Light: Press the power button for 3 seconds and the indicator light will be on for 3 seconds, and the indicator light will flash after automatically entering the pairing mode. It will turn off after a successful connection. Press the power button to flash 3 times and then shut down2. Charging Indicator: When the voltage is lower than 3.2V, it flashes to indicate the need to charge. It stays on during charging and goes out when it is fully charged.3. Bluetooth Pairing: Press and hold the power button for 3 seconds, the powerR