3000mah

【Mini Mechanical Keyboard】 Professional Mechanical Keys,84 keys compact gaming keyboard, giving you more space on your desk to move mouse or put other devices.Ergonomically designed, the keyboard can reduce finger fatigue after prolonged use.
【Rechargeable Keyboard】This wireless keyboard has three modes, Bluetooth 5.0, wireless 2.4G, and wired, it can meet your needs.It can be waterproof, and the keyboard builts-in 3000mAh battery.eliminates the trouble of frequently changing batteries.No operation automatically sleeps within 3 minutes,any key wakes up
【Rainbow Backlit】The keyboard has as many as 20 kinds of backlight modes,giving you a comfortable visual enjoyment at night.You can select your favorite mode through the FN+ENTER key, and switch the color you like with the FN+Pagedown key.