Vertical Mouse. Doesn't come with batteries, Needs 2 AAA Comes with the USB receiver.Specification:Size: 128*78*72mmNet weight: 90+ 5gWireless Operation Range: 15mWorking Voltage: 3VWorking Current: 15mACompatibility:Windows: 2000/ ME/XP/ (x64) vista/7/8/10mac OS X 10.4 or above.
Please ask any questions you may have, also make sure to take a look at my other item's. Thank you.