Portable USB Numeric Keypad [ K-015 ] If your laptop keyboard does not have a numeric keyboard, then this product is suitable for those of you who want to do numeric typing quickly but don’t have it on your laptop. This product is a numeric keyboard, made of rubber on each key, ensuring this product can be used for a long time. Features Material Each key on this keyboard is coated with quality rubber, making this keyboard durable for a very long time of use. This keyboard is also waterproof and can be washed if it is dirty. Plug n Play No need to install drivers or other software to use this keyboard. Compatibility Can be used for all Laptops and PCs that have a USB port. Package Contents Items you get in the box: 1 x Portable USB Numeric Keypad – K-015 1 x USB Cable Specification: # Keyboard : Numeric Keyboard # Connection : USB 2.0 # Operating System Compatibility: Windows 98/2000/me/xp, / Win 7/ Mac Os 8.6 Or Above # Power : Rating Voltage : Dc 5v current : 250ma # Material : 100 X 140 X 15 Mm For More Keyboard Click Here