Features Specification Description: This mini usb numeric keypad is specially designed for laptop. Numeric keyboard design makes a lot of data input easier, which helps to simplify the input of a large amount of data. Features: 1. Anti slip, anti fall, not easy to wear. touch button design, comfortable hand feel. 2. USB interface, easy to install and use. Plug and play, no driver installation required. 3. Ultra thin design, easy to carry. Can be conveniently placed in a briefcase or laptop bag. 4. Helps to simplify the input of a large amount of data, makes data input easier. 5. Suitable for all kinds of laptop computers, desktop computers, etc. 7. Compatible with for Windows 2000, for Windows Millennium Edition, for Windows XP, for Windows 8 / 10, for LINUX, for Android, for IOS, etc. Specifications: Suitbale: for All Kinds of Laptops, Desktop Computers, etc. Interface Type: USB Keys Number: 19 Material: ABS Color: Black Size: Approx. 12.9 * 8.9 * 1.1cm / 5.1 * 3.5 * 0.4in (Manual Measurement,Size Error 1-2cm) Cable Length: Approx. 130cm / 4.3ft Weight: 88g Package List: 1 x Numeric Keypad with Cable Package List