Please note:

Features:
2.4 GHz wireless technology delivers a reliable connection with up to a 10M range.
No wires make a more smart and tidy desktop.
The keyboard and mouse share the same USB receiver to save the computer's USB ports .
Very resposive keys in scissor-key-switches.
Real compact and slim in fullsize design.
Low power battery indicators and multi-media hot keys provide convenience.
Keyboards keys in low profile make much less noise when typing.

*About the usb receiver:Open the battery slot on the back of the keyboard or mouse and the usb receiver is inside.The keyboard and mouse use the same receiver, they only need 1pcs receiver.

Product parameters:
Connection mode: 2.4G
Product material: ABS+PC
Transmission distance: <=10m
Powered by AAA battery: Not included
Compatible system: MAC, Windows10/8.1/8/7/XP/Vista, Linux etc.
DPI:800-1200-1600


Package including:

1 * Wireless Keyboard
1 * receiver
or
1 * Wireless Keyboard
1 * mouse
1 * receiver

Keyboard size: 285*131*18MM
Mouse size: 113*59*20MM