... USB2.0 2) Storage capacities: 32MB, 64MB, 128MB, 256MB, 512MB, 1G,2G,4G,8G,16GB,32GB ... :1) USB2.02) Storage capacities: 32MB, 64MB, 128MB, 256MB, 512MB, 1G,2G,4G,8G,16GB,32GB3) ... 8) Bootable 9) Hot plug-and-play10) Storage media: Flash memory11) Shockproof and moisture-proof12) Operation temperature: -20 ... use,no need power4. Safe and reliableAdopt flash electronic storage medium, can draw more than 1 ...