USB Mini Receiver for Logitech C UAK42 MX3000 MX3200 LX710 WAVE S510 LX300 EX100 V22 mouse and keyboard|receiver transmitter|usb stereo receiverusb transmitter receiver - AliExpress
Logitech USB Receiver for EX110 V220 LX5 LX7 LX8 MX600 MX1000 LX710 MX3200 MX600 | eBay
Logitech LX 710 Cordless Keyboard And Mouse With Wireless Adapter Tested Rare | eBay