Capacity: 16M, 32M, 64M, 128M, 256M, 512M Features: • Compatible with USB version 1.1/ 2.0 • Used as pen and flash disk with laser light • Copper housing • Hot plug and play via USB port • No external power supply required • Write speed: 650kbps • Read speed: 958kbps • Data retention for over 10 years • Supporting Win98/Me/2k/XP, Mac OS 8.6 and above