2.4GHz Mini Wireless Number Keyboard -Q-811

-Simple configuration:
-It's easy to get started - you just plug the receiver into a USB port and start crunching the numbers immediately.
-The keys are easy and quiet to press, which greatly speeds up your productivity
-A must-have for digital tilt.
-Solid and Portable design:
-This robust number entry solution is easy to take with you, so you can work with confidence and quickly

2.4 GHz Advanced Wireless:
-You'll appreciate the reliability of a cord along with the convenience and freedom of wireless data transmission with virtually no lag or dropout.
-Allows the keyboard to operate up to 33 'away from the receiver by establishing a wireless workspace with a standard USB interface
User-friendly:

-Battery-Operated: One AAA battery (not included) for the keyboard to work.
-The battery indicator lets you know when the keyboard's AAA battery is low.

Compatibility:
-Works with PCs and desktops that have Windows XP, Vista, ME, 7, 8 2000 operating systems.
-The numeric keypad is not fully compatible with the Mac system. (The function keys do not work, while the number keys part works correctly.

Specifications:
-Material: ABS
-Key number: 19 keys
-Battery: 1 AAA battery (not included)
-Voltage: 1.5V
-Current: 6mA

What's in the box
- 1 X 2.4GHz Mini Wireless Number Keyboard -Q-811