What is a "CHESEN"?

[ToddAndMargo]

$ xinput --list --short | grep -i chesen
⎜   ↳ CHESEN PS2 to USB Converter Mouse       	id=17	[slave  pointer  (2)]
     ↳ CHESEN PS2 to USB Converter             	id=16	[slave  keyboard (3)]
     ↳ CHESEN PS2 to USB Converter System Control	id=18	[slave  keyboard 
(3)]
     ↳ CHESEN PS2 to USB Converter Consumer Control	id=19	[slave 
keyboard (3)]