New New Usb Receiver Wireless Dongle Receiver USB Adapter for Logitech mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse - AliExpress
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
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