Amazon.com: Universal USB Receiver Replacement for Dell Wireless Keyboard Mouse KM714 KM717 WK717 KM636 WM514 WM326 WM126 WM527 : Electronics
Logitech Unifying Receiver for Connecting Multiple Devices
FENIFOX Wireless Keyboard and Mouse Sets,UK Layout 2.4Ghz USB Receiver Full Size Keyboard Combo Compact Compatible with PC Laptop Tablet Computer Windows (Silver White): Amazon.co.uk: Computers & Accessories