MOFii X910 2.4G 18 Keys 1600 DPI Wireless Numeric Keypad(Black)

1. 18 independent buttons, compact layout, with backspace button, easy to use2. 2.4G wireless connection, stable transmission distance of 10 meters3. Plug and play, no need to install drivers4. Retro round chocolate keycaps, matte texture, streamlined shape5. System requirements: Windows XP/Win7/8/106. Size: about 90 x 135 x 25mm7. Power supply: 1pc, AAA battery (not included)