[Stable Connection] USB 2.0 wired technology, plug and play, no device drivers required, ensures stable signal transmission with no delay. TPE-protected cord for durability. [Full-Size 18 Keys Keypad] Features 18 professional full-size concave keys, ideal for use with desktops, notebook computers, banking, school, company, and more. Keycap life exceeds 10 million presses. [Ergonomic Design] Made of ABS material, compact and slim design makes it easy to carry. The numeric keypad offers a quiet and comfortable typing experience. Ergonomic tilt and anti-slip pads on the bottom provide added comfort. [Wide Compatibility] Compatible with Android tablet PCs, Linux, desktops, Chromebooks, and Windows XP / Vista / 7 / 8 / 10 systems. [Power Saving] No battery required; automatically enters hibernation/sleep mode to save energy and extend service life. No need to worry about power issues for your numeric keypad. Color: White Material: ABS Size: 134mm x 128mm x 22mm Package Contents: 1 x Wired Keypad Only the above items are included. Other products shown are not included. Note: Lighting and display settings may cause slight color differences. Measurement may vary by +/- 1-3cm.