【 PLUG PLAY】You can just plug the receiver into a USB port and start crunching numbers right away, No device drivers needed, no delays and dropouts, fast data transmission. | 【PERFECR DESIGN】There are non-slip, anti-fall designs on the this keyboard to prevent it moving on the table and affecting your work.Touch button design giving you a comfortable clickcomfortable hand feel. Stylish numeric keypad appearance Ergonomic design ensure long-term use without fatigue, especially suitable for the staff working in spreadsheets, accounting documents or financial applications. | 【PORTABLE AND MINI】Portable design make it easy to store in bag for business traveling!There are non-slip, anti-fall designs on the this keyboard to prevent it moving on the table and affecting your work.For businesses that handle high-volume numeric tasks, the 19 keys USB numeric keypad enables a more streamlined, efficient workflow. | 【WIDELY COMPATIBILITY】Numeric pad 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. | 【AFTER-SALES SERVICE】: If there are any using problems or unsatisfactory with our products, please feel free to contact us, our professional customer service team will reply you within 24 hours, and we will consult the issues with sincerity. Thanks for purchasing from us.