Mk345 Wireless Combo, 2.4 Ghz Frequency-30 Ft Wireless Range, Black

Enjoy wireless freedom with the fast, reliable connection you'd expect from a cord. One small nano receiver connects both the mouse and keyboard to your computer. Just plug it into a USB port and you're good to go. Maximum Wireless Range: 30 ft; Connector/Port/Interface: USB 2.0; Wired/Wireless: Wireless; Operating System Compatibility: Chrome OS™; Windows® Vista™, 7, 8, 10.
Package Includes: (1) AA Batteries; (2) AAA Batteries