HUION Built-in Card Reader Graphics Drawing Pen Tablet - 680TF-BS Built-in Memory Card Reader. Can be extended to Maximum 64GB. No MicroSD Card included. Hand Input Resolution 5080 LPI, Report Rate 220 RPS Comes with a rechargeable pen, which is lighter and more responsive. Compatible with Windows XP/Vista/7/8 and Mac 10.7.0 or later.