YUMQUA Y-10W 2.4 GHz Portable Finger Handheld Wireless USB Trackball Mouse for PC Laptop Mac Lovers

Description:', Wireless handheld mouse design, off-table use in the air, no operating space restriction, which is also suitable and convenient for living room multimedia center, convenient button controls let you able to operate when you're sitting, leaning, lying down or other body posture., 'Specific:1.Left and right hand design2.Works with ALL operating systems, like Windows version / ME / 2000 / XP /NT/WIN7/WIN10 operating systems, including MAC OS,Android OS, tablet.3.Interface PS/2 or USB.4.Four group adjust DPI:400,600,800,1200,default 1200.5.Effective distance within 10M.6.Working Frequency 2.4GHz.7.Size: 11*6*5cm8.Weight:120gNotice: YUMQUA Y-10W Trackball Mouse does not have Laser Pointer Function.2,If the mouse movement becomes difficult, you may try to used some liquid wax to wiping it.Problem solved!'