Usbkingdom 32GB USB 2.0 Flash Drive Black Cassette Tape Shape USB Drive Memory Stick Flash Drive Cartoon Cassette tape shape,101*65*12mm,35g,real capacity,good choice for using or as gifts for friends High speed USB 2.0 interface and compatible with USB 1.1 Easy to read and read in high speed ,No need drive/power supply only plug in Use A-class chip, can be erased repeatedly for 100,0000 times Operating System: Win98/ME/2000/XP/ Vista/win7 /win8, Mac OS 9.X/Linux2.4 or above