Colour	Black
Battery	AA
Features	DiamondEye technology, programmable buttons, scroll ring, ambidextrous design, auto sleep mode, Nano wireless receiver, wireless receiver slot
Buttons Qty	4
Device Type	Trackball
OS Required	Microsoft Windows 7 / 8 / 8.1 / 10, Apple MacOS X 10.8 - 10.11, Google Chrome OS 44
Orientation	Right and left-handed
Wireless Receiver	USB wireless receiver
Product Description	Kensington Expert Mouse - trackball - Bluetooth 4.0, 2.4 GHz - black
Manufacturer Warranty	3-year warranty
Connectivity Technology	Wireless - Bluetooth 4.0, 2.4 GHz
Movement Detection Technology	Optical

Kensington Expert Mouse - Trackball - right and left-handed - optical - 4 buttons - wireless - 2.4 GHz, Bluetooth 4.0 - USB wireless receiver - black