Amazon.com: Logitech M570 Wireless Trackball Mouse – Ergonomic Design with Sculpted Right-Hand Shape, Compatible with Apple Mac / Microsoft, USB Unifying Receiver, Dark Gray (Discontinued by Manufacturer) : Electronics
MOUSE, WIRELESS, TRACKBALL, LOGITECH M570, Four Buttons, Scroll, Black / Blue
Logitech M570 Review - RTINGS.com
Logitech M570 Review - RTINGS.com
Logitech M570 vs M575: Old Meets New - Switch and Click
LOGITECH M570 WIRELESS TRACKBALL MOUSE WITH USB RECEIVER | eBay
Amazon.com: Logitech M570 Wireless Trackball Mouse – Ergonomic Design with Sculpted Right-Hand Shape, Compatible with Apple Mac / Microsoft, USB Unifying Receiver, Dark Gray (Discontinued by Manufacturer) : Electronics
Logitech's new $50 ergonomic trackball mouse has Bluetooth LE support | Engadget
This Trackball Mouse Has an 18-Month Battery Life
Trackball muis - Optisch - Merk: Logitech - M570, Type: Draadloos - USB dongle, Geschikt voor: Rechtshandig, Sensor: BlueTrack, DPI: tot 1.500, Aantal knoppen: 5, Voeding: 1x AA-batterij (incl.).