Jedel WS880 2.4ghz Wireless Gaming Gamer Russian Keyboard and Mouse Set Combo for PC Laptop
For the keyboard and mouse combo the wireless support is between 8-10m

Specification
 
Connection:  USB
Wired/Wireless:  Wireless
Color:  Black & Blue
Hide LED Lighting:  No
Keyboard: Full-size Gaming Keyboard with Color Coded Gaming Keys
Low Profile: No
Hot Keys: Multimedia keys
Spill Resistant: No
Mouse: Ambidextrous Gaming Mouse
Movement Detection: Optical
Resolution : 800/1600/2000 DPI
Number of Buttons: 3 Buttons
Batteries Required: 2 x AAA Alkaline Batteries INCLUDED