1. Use the wireless keypad with 28 function keys including backspace, home, end, tab and more to assist in accounting tasks, excel spreadsheets, and more to expand your existing keyboard.2. This numeric keypad produces low noise, comfortable Press feeling with a solid and durable structure; The ergonomic design and the half-height buttons also help prevent wrist problems. Rubber Pads on back provide comfort and securely keep the keypad in place.3. This Scissor-Switch keyboard provides you with very comfortable and pleasing typing experience.4. Bluetooth 3.0 technology provides a cable-free & clutter-free connection, operating distance 10m. NOTE: [For Desktop PC Laptop without bluetooth function, you need to use bluetooth adapter (not included) before use]5. Widely Compatible with Cellphone Tablet PC laptop Desktop with Android Windows 2000/ Me/ 98/ XP /Vista/ 7/ 8/10 system. NOTE: [This number pad is NOT completely compatible with OS system and iOS system, Calculator Key and Functional Keys(home, end, , PgDn and arrows) can not work but other number and symbol keys including ESC, Tab work well.Colour:grayMaterial:ABS plasticSize:13.2*10.5*0.7cmPackage Contents:1 * Bluetooth Keyboard1 * User ManualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.