Features PROGRAMMABLE The mini 3 key keyboard supports multiple customizations such as enlarge, zoom out, copy, paste, select all, cut, games, office, music, media, industrial control. USB PORT This mini programmable keyboard has USB interface, plug and play, no driver required. Repeatable settings: the button function can be set yourself with a special setting program that can be repeated. BLUE SWITCH The mini keyboard is exquisitely crafted and has a perfect style, with upgraded blue switch and RGB LED for better gaming experience and cool feeling. ONBOARD STORAGE: The settings can be saved on the keyboard, reset is not required when changing the device. Specification: Item Type: Mini Keyboard Material: ABS Axle body: blue switch. Key position: three buttons, one button Power supply: lithium battery with a capacity of 300 mAh (built-in) Supports multiple adjustments: zoom, zoom, copy, paste, select all, cut, game, office, music, media, industrial control, etc. Package list: 1 x mini keyboard. 1 x USB cable. 4 x stickers. 1 x user manual (English language not guaranteed) Package List 1 x Mini Keypad 1 x USB Cable 4 x Sticker 1 x User Manual