1. 18 independent buttons, compact layout, with backspace button, easy to use
2. 2.4G wireless connection, stable transmission distance of 10 meters
3. Plug and play, no need to install drivers
4. Retro round chocolate keycaps, matte texture, streamlined shape
5. System requirements: Windows XP/Win7/8/10
6. Size: about 90x135x25mm