The groove on this USB drive flips the mouse's switch on or off depending on whether you remove or replace it. : r/mildlyinteresting
CC3: Logitech Cordless Mouse And Keyboard Receiver Model:C-BG17-DUAL Usb | eBay
100% Original G1 Gaming Optical Mouse - Mouse - AliExpress
Original Receiver replacement Wireless Dongle for Mouse Logitech V220 VX220 Mouse Logitech Retail Packaging with New Full Instructions): Amazon.de: Computer & Accessories