Kensington Orbit Trackball with Scroll Ring – Trackball – ottica – cablato – USB

Logitech Mouse Logitech Signature M650 L – Bluetooth – USB Tipo A – Ottico – 5 Pulsante(i) – Grafite – Wireless – 2:40 GHz – 4000 dpi – Rotella di scorrimento – Grande Dimensioni mano/palmo – Solo per destra-mano