Trust Wireless Tablet TB-2100. Connectivity technology: Wireless, Device interface: USB, Working area: 114 x 152 mm. Minimum processor: Pentium 200 MHz CPU, Minimum RAM: 32 MB, Minimum hard disk space: 50 MB. Battery type: AAA. Dimensions (WxDxH): 9 x 270 x 220 mm, Tablet weight: 1150 g. Compatible operating systems: Windows 98/ ME/ 2000/ XP