Trust Mini, Optical, USB Type-A Trust Mini. Movement detection technology: Optical, Device interface: USB Type-A, Buttons quantity: 3 https://www.techradar.com/reviews/pc-mac/peripherals/input-devices/mice-and-trackballs/trust-retractable-mini-mouse-317429/review This small and compact optical mouse has a twist in its tail, as the USB lead is retractable and hides away in the base of the unit when not needed.The quality isnt fantastic, as the plastic feels a bit cheap; but as the pink colour suggests, its for... Compact, Cheap, Works well enough Feels cheap, Colour is a bit garish This small and compact optical mouse has a twist in its tail, as the USB lead is retractable and hides away in the base of the unit when not needed.The quality isnt fantastic, as the plastic feels a bit cheap; but as the pink colour suggests, its for...