Features: 1.19-key USB Numeric Keypad - Helps you input numbers more conveniently and more directly. 2.Mechanical Touch Feeling - Gives a mechanical touch feeling. 3.3-Color Breathing Lights - The mini keypad flashes different colors when typing to make it look very cool. 4.Plug and Play - It supports plug and play with no driver required. 5.Portable - Mini size and light weight allow you to carry it to everywhere you want. specification:Description: This USB numeric keypad helps simplify the input work of large amounts of data to make the data input more relaxed. Unique design gives you a mechanical touch feeling. Furthermore, the USB numpad flashes different colors when typing, which makes it look so cool, and even cooler at night. 19-key USB Numeric Keypad - Helps you input numbers more conveniently and more directly. Mechanical Touch Feeling - Gives a mechanical touch feeling. 3-Color Breathing Lights - The mini keypad flashes different colors when typing to make it look very cool. Plug and Play - It supports plug and play with no driver required. Portable - Mini size and light weight allow you to carry it to everywhere you want. s: Product type: USB Numeric Keypad Connection: USB cable Plug and play: Support Keys number: 19 keys Touch feeling: Mechanical touch feeling 3-Color: Support Waterproof: Support Plug and play: Support Suitable system: For Microsoft, Android, iMac systems Package size: approx. 18 * 11.5 * 4 cm/ 7.09 * 4.53 * 1.57 in Package weight: 196g Package List: 1 * USB Numpad 1 * User Manual