RF304 22 Keys Numeric Keypad USB 2.4G Wireless Mini Keyboard with Receiver

Feature: 1. Support for Windows XP, for Linux, for Vista, for Windows 7 8 10. 2. 22 key wireless numeric keypad, USB plug and play. 3. Use time up to 80 hours , keystrokes up to 3 million times. 4. Ergonomic design, more comfortable handfeel. 5. Scissor foot key cap structure design, fast rebound speed, low delay. Specification: Item Type: 22 Keys Numeric Keypad Material: ABS Optional Color: Silver Black Iron Grey Rose Gold Support System: for Windows XP, for Linux, for Vista, for Windows 7 8 10 Number Of Keys: 22 Keys Support Wireless: 2.4G Wireless Keyboard Life (Keystrokes): 3 Million Times Response Speed: 5 Milliseconds Wireless Transmission Distance: Approx. 10m 32.8ft Working Current Voltage: 0.25MA 3V Battery Type & Capacity: 2 x AAA (Not Included) Use Time: 80 Hours. Package List: 1 x Numeric Keypad (Battery Not Included)1 x User Manual 1 x Receiver