Scope] The numeric keypad is suitable for various laptops, desktops, etc. Compatible with Windows 2000, for Windows Millennium Edition, for Windows XP, for Windows 7/8/9/10, for LINUX, for Android, for IOS, etc. [Comfortable and durable] The numeric keypad is non-slip, drop-resistant and not easy to wear. Touch button design, feel comfortable [Simple and convenient] The numeric keypad can simplify the entry of large amounts of data and facilitate data entry [USB Interface] The numeric keypad adopts USB interface, which is easy to install and operate. Plug and play, no driver installation required [Easy to carry] The USB numeric keypad adopts ultra-thin design, easy to carry. Can be easily placed in a briefcase or laptop bag