New Usb Receiver Wireless Dongle Receiver USB Adapter for logitech mk270/ mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse Keybo - AliExpress
Amazon.com: Logitech Wireless Combo MK260 with Keyboard and Mouse : Electronics
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