Feature 1Anti slip, anti fall, not easy to wear. touch button design, comfortable hand feel 2USB interface, easy to install and use. Plug and play, no driver installation required 3Ultra thin design, easy to carry. Can be conveniently placed in a briefcase or laptop bag 4Helps to simplify the input of a large amount of data, makes data input easier 5Suitable for all kinds of laptop computers, desktop computers, etcDescription: 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 Windows8 / 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 Cable Length: Approx. 130cm / 4.3ft Weight: 88g Package List: 1 x Numeric Keypad with Cable .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }