Logitech K750 Wireless Solar Keyboard for Windows, 2.4GHz Wireless with USB Unifying Receiver, Ultra-Thin, Compatible with PC, Laptop - Wireless Connectivity - RF - 33 ft - 2.40 GHz - USB Interface - English (Canada) - Computer - PC - Black
Logitech K350 Black Wave Unifying Wireless Keyboard NO USB RECEIVER DONGLE | eBay