Parblo A610 Graphic Drawing Tablet 10" x 6" 2048 Levels Pressure Pen Tablet with Wool Felt Liner Bag and Anti-fouling Glove 2040 levels pressure sensitivity, the harder you press, the thicker and darker lines would be 5080LPI resolution, 230 RPS bring you smooth using experience, similar to a thin paper Three-button mouse commands and eight shortcut keys, ease of operation saving more time Drawing painting, sketching, handwriting, marking, signaturing, a couple of uses About System Requirements PC: Windows XP/Vista/7/8(incl,64-bit editions), USB port, color display CD or DVD driver MAX: MacOS x10.3.9 or late or PowerPC Processor, USB port color display CD or DVD driver