Logitech K350 Wireless Wave Keyboard with Palm Rest
Logitech Unifying Receiver – فرزانگان رایانه
Logitech K350 Black Wave Unifying Wireless Keyboard - NO USB RECEIVER DONGLE 97855648679 | eBay
Connecting a Logitech device to your Unifying Receiver (Windows and Mac) - YouTube
Logitech Wireless Keyboard K350
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