Solaar version 1.1.3

Lightspeed Receiver
  Device path  : /dev/hidraw2
  USB id       : 046d:C53D
  Serial       : C271A999
    Firmware   : 43.01.B0009
    Bootloader : 02.10
    Other      : AA.D2
  Has 1 paired device(s) out of a maximum of 1.
  Notifications: wireless, software present (0x000900)
  Device activity counters: (empty)

Seen paired with G613 Wireless Mechanical Gaming Keyboard 4065