A4Tech 45921 V-Track OP-560NU Black

8-in-One softwareConsists of value-added functions, such as: Multimedia, Internet, 4-way wheel, etc.Best software for your every need.- V-Track works anywhere without a pad.- 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.Innovative V-Track technology utilizes vertical light which goes deep into the details of all surfaces. Guaranteed smooth and accurate tracking anywhere, even on furry textiles. Throw away your mouse pad! Mouse Design Power Packaging data

Purpose:	Office
Device interface:	USB
Movement detection technology:	Optical
Scroll type:	Wheel
Buttons quantity:	3
Buttons type:	Pressed buttons
Scroll:	Y
Movement resolution:	1000 DPI
Programmable mouse buttons:	Y
Recommended usage:	PC
Number of scroll wheels:	1
Scrolling directions:	Vertical/Horizontal
Form factor:	Ambidextrous
Colour of product:	Black
Surface coloration:	Monotone
Power source:	Cable
Quantity:	1