Feature: 1. WIDE COMPATIBILITY: 3 key gaming keyboard with Type C USB interface. After setup on for Win 7 and above (excluding MFPs and servers), it can be plug and play on for Linux, for OS X, for Win, for Pi, phone and tablet, etc. 2. MEMORY FUNCTION, MULTIPLE KEYPAD USE: The USB 3 key mini keypad has a memory function, so you don't need to set it up again next time. Once setup, it can be used on other computers as well. One computer can be plugged into more than one keyboard, all can be used normally. (phone and tablet need OTG adapter cable) 3. CUSTOMIZED CONFIGURATION: The mini keyboard supports multiple function modes, each button can be set to a different function mode without affecting each other. Four modes: keyboard, mouse, multimedia, multi key mode. You can replace the keycaps and cross shaft base by yourself, fit for cherry keyboard keycaps. 4. RGB KEYBOARD MACRO KEYS: RGB LED backlighting can be individually adjusted in the configuration software for key action display mode and on or off. This macro keyboard can be set up for one key macro operation. Pressing a key is equivalent to pressing multiple individual keys in succession. The total length of each keystroke macro is 34 bits. Intervals, such as one key passwords, can also be added. 5. SMALL SIZE, PLUG AND PLAY: Portable mini macro programming keyboard, 2.55x1.18x1.18 inches ultra small size, effectively save desktop space. The mini keyboard and 1.5m Type C USB cable can be plugged and unplugged at will, easy to carry around the office. Specification: Item Type: USB 3 Key Mini Keypad Material: ABS Size: Approx. 6.5x3x3cm / 2.55x1.18x1.18in Cable Length: Approx. 1.5m/4.9ft Compatible Interface: USB C Macro Space: 34 Bits RGB Lighting Effect: Support Support: Partial for BIOS Support: PC Sleep Wake Suitable for: Win, for OS X, for Linux, for Pi, Computer, Phone and Tablet (A separate OTG cable is required if the keyboard is used by a computer, phone or tablet with a USB C port). Package List: 1 x Keyboard1 x USB Cable1 x Instruction Manual Note: Manual measurement please allow some error.