Amazon.com: Logitech Unifying Receiver, 2.4 GHz Wireless Technology, USB Plug Compatible with all Logitech Unifying Devices like Wireless Mouse and Keyboard, PC / Mac / Laptop - Black : Electronics
Logitech K350 Wireless Keyboard In Box w/ USB Receiver - No usb unifying cord | eBay
Logitech K350 Black Wave Unifying Wireless Keyboard - NO USB RECEIVER DONGLE 97855648679 | eBay
New Logitech.Unifying USB Receiver for M905 M600 M525 Mouse & K350 K750 Keyboard | eBay
Logitech K350 Wireless Wave Keyboard Tested with USB Dongle | eBay
Logitech K350 Wave Wireless Keyboard M/N Y-R0053 “Doesn't Include USB Receiver” | eBay
Amazon.com: Logitech Unifying Receiver, 2.4 GHz Wireless Technology, USB Plug Compatible with all Logitech Unifying Devices like Wireless Mouse and Keyboard, PC / Mac / Laptop - Black : Electronics
Logitech K350 Black Wave Wireless Keyboard w/Unifying USB Receiver Dongle 97855648679 | eBay
Logitech K350 Wireless Wave Keyboard with Palm Rest
New Logitech Unifying USB Receiver for.M905.M600.M525.Mouse.&.K350.K750.Keyboard | eBay