Tested and working with no issues. Listing includes K350 Keyboard, M570 trackball mouse and unifying dongle/USB/receiver. Mouse and keyboard are both paired to the dongle and are ready to play, just add batteries.

Comes from a smoke free home.

Thanks for looking!

The Logitech Wireless Ergonomic Wave Keyboard K350 with the M570 Trackball Mouse is a high-quality keyboard and mouse set designed for comfort and efficiency. With a sleek black design and ergonomic Wave keybed, the keyboard provides a comfortable typing experience. The mouse, featuring a trackball and Unifying USB connectivity, offers precise control and easy connectivity to your computer. Both the keyboard and mouse are from Logitech, a trusted brand known for their quality and reliability. Ideal for users looking for a reliable wireless keyboard and mouse bundle.