The AbleNet TrackerPro 2 is a hands-free mouse that allows you to use small head movements to move the mouse cursor. It also provides hands-free left and right clicking when you enable Dwell Control in macOS Mavericks 10.9 or later. Or you can connect accessibility switches such as the AbleNet Jelly Bean Twist or AbleNet Specs Switch for left and right clicking. In addition, TrackerPro 2 is compatible with an iPhone or iPad that's using iOS 13 or later or iPadOS and has AssistiveTouch turned on. You'll also need a USB-A adapter, which is sold separately. Hands-free mouse control Compatible with Dwell Control Compatible with accessibility switches that have 3.5 mm/1/8 in. plugs USB-A connection to Mac computers; also compatible with USB-C Mac models when using a USB-C to USB-A adapter (sold separately) AbleNet TrackerPro 2 Hands-Free Mouse Quick start guide USB-A extension cable 50 TrackerPro reflective dots Connections: USB Height: 1.93 in./4.9 cm Width: 2.76 in./7.01 cm Depth: 1.18 in./3 cm Weight: 2.4 oz./68 g Mfr. Part Number: 10000034 UPC or EAN No.: 186648000517 Note: Products sold through this website that do not bear the Apple brand name are serviced and supported exclusively by their manufacturers in accordance with terms and conditions packaged with the products. Apple’s Limited Warranty does not apply to products that are not Apple branded, even if packaged or sold with Apple products. Please contact the manufacturer directly for technical support and customer service. Warranty: Two years