PLUG & PLAYYou can just plug the receiver into a USB port and start crunching numbers right away. Our 2.4 GHz signal is very stable and reliable, No device drivers needed, no delays and dropouts, fast data transmissionPERFECR DESIGNThe design of the round keycap is very characteristic,giving you a comfortable click. There is no noise, and the pad can rebound quickly. 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.AUTOMATIC SLEEP FUCTION It will auto enter sleep mode wheot in use for 5 minutes, so you dont need to worry about wasting power.Press any key cawake up the keypad. When the power is low the indicator light will turn on to remind you, avoiding it cannot be used when you need it most.PORTABLE AND MINIPortable design make it easy to store in bag for business travelingThere are four non-slip designs on the back of this keyboard to prevent it moving on the table and affecting your work.For businesses that handle high-volume numeric tasks, the 18 keys USB numeric keypad enables a more streamlined, efficient workflow.Widely CompatibilityWireless numeric pad works with PC, laptop and desktop computers that have Windows 2000 / XP / Vista / 7 / 8 / 10 systems.