1. V-Track mouse works anywhere without a pad. 2. Screen Capture Tool consists of value-added functions, such as: Screen capture, TutorPen, 16-in-One, multimedia, Internet, 4-way wheel, etc. Best software for your every need
. Vertical light ensures perfect precision . Short light path consumes lower power . Incomparable adaptability on all surfaces . Smoothly when using even on soft fabrics . Tiny lens hole brings the best precision