Kensington Expert Trackball mouse USB Type-A Optical

Mouse
Movement detection technology	Optical
Buttons quantity	0
Device interface	USB Type-A
Input device
Movement detection technology	Optical
Buttons quantity	0
Device interface	USB Type-A
Technical details
Weight	12 oz (340.1 g)
Case or master carton dimensions (W x D x H)	11.3 x 11.2 x 8.6" (287 x 284.4 x 218.4 mm)
Software
Mac operating systems supported	Yes

System requirements
Mac operating systems supported	Yes
Weight & dimensions
Weight	12 oz (340.1 g)
Width	4.92" (125 mm)
Depth	5.75" (146 mm)
Height	2.5" (63.5 mm)
Packaging data
Package weight	35.2 oz (997 g)
Package width	10" (254 mm)
Package height	3.63" (92.2 mm)
Other features
Weight	12 oz (340.1 g)
USB 2.0 ports quantity	1
Package length	9.76" (24.8 cm)
Mouse dimensions (WxDxH)	4.92 x 5.75 x 2.5" (125 x 146 x 63.5 mm)
Compatible operating systems	Windows XP/Vista
Case or master carton dimensions (W x D x H)	11.3 x 11.2 x 8.6" (287 x 284.4 x 218.4 mm)
Logistics data
Case or master carton dimensions (W x D x H)	11.3 x 11.2 x 8.6" (287 x 284.4 x 218.4 mm)

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SKU	K64325	K72359WW	FHD-00001	FHD-00016	910-005469	910-005565
Manufacturer	Kensington	Kensington	Microsoft	Microsoft	Logitech	Logitech
Buttons quantity	0	4	N/A	N/A	N/A	N/A
Movement detection technology	Optical	Optical	N/A	N/A	Optical	Optical
Purpose	N/A	N/A	Travel	Travel	gaming	gaming
Device interface	USB Type-A	RF Wireless + Bluetooth	Bluetooth	Bluetooth	USB Type-A	RF Wireless
Scroll type	N/A	Ring	Touch	Touch	Wheel	Wheel
Connectivity technology	N/A	Wireless	N/A	N/A	N/A	N/A