What you are seing is the radio transmitter for the keyboard. The same transmitter is used for LX710 and ex110 I guess.
The description should be similar to: Logitech, Inc. RF Mini Receiver (LX710, EX110) or else. -- lsusb , gives a wrong indentification i have a logitech ex110 mouse and keyboard and ther it say laser lx 710 https://bugs.launchpad.net/bugs/251277 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs