The Logitech MK235 Combo is a simple plug-and play keyboard and mouse with a reliable wireless connection up to 10m/33ft away, sharing one tiny USB receiver (128-bit AES encryption between devices and receiver.

Keyboard dimension: 17.15 x 5.41 x 0.81 inch (WxHxD)
Mouse dimension: 3.85 x 2.49 x 2.42 inch (HxDxW)
The country of Origin is China
Warranty Information 1-Year Limited Hardware Warranty
Wireless Range: 33 feet /10 meters
Wireless encryption: 128-bit Advanced Encryption Standard (AES) between devices and receiver