Operating System:Android,Ios,Linux,Windows,Windows 2000,Windows 7,Windows Xp Are Batteries Included:No Item Weight:80 g Guaranteed software updates until:unknown 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. Specifications: Suitbale: for All Kinds of Laptops, Desktop Computers, etc. Condition: 100% Brand New 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 Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. About this item Anti-slip and anti-fall: It's not easy to wear. touch button design, comfortable hand feel USB interface: Easy to install and use. Plug and play, no driver installation required Ultra-thin design: Easy to carry. Can be conveniently placed in a briefcase or laptop bag Fast data input: Helps to simplify the input of a large amount of data, makes data input easier Compatibility: Suitable for all kinds of laptop computers, desktop computers, etc. Compatible with for Windows 2000, for Windows Millennium Edition, for Windows XP, for Windows 7 / 8 / 9 / 10, for LINUX, for Android, for IOS, etc. See more product details Anti-slip and anti-fall: It's not easy to wear. touch button design, comfortable hand feel USB interface: Easy to install and use. Plug and play, no driver installation required Ultra-thin design: Easy to carry. Can be conveniently placed in a briefcase or laptop bag Fast data input: Helps to simplify the input of a large amount of data, makes data input easier Compatibility: Suitable for all kinds of laptop computers, desktop computers, etc. Compatible with for Windows 2000, for Windows Millennium Edition, for Windows XP, for Windows 7 / 8 / 9 / 10, for LINUX, for Android, for IOS, etc.