1) USB 1.1, hot plug and play 2) Football shape, novel design 3) Capacity: 64MB, 128MB, 256MB, 512MB 4) More than 10 years data retention 5) Support windows 98 / 98 SE / Me / 2000 / XP / MAS OS / Linux, automatic OS, installed driver system without manual operating 6) Nand flash memory, the data will not be lost in case of the power off 7) Various colors available, customize design are warmly welcomed