1) USB2.0 2) Storage capacities: 32MB, 64MB, 128MB, 256MB, 512MB, 1G,2G,4G,8G,16GB,32GB Specification:1) USB2.02) Storage capacities: 32MB, 64MB, 128MB, 256MB, 512MB ... design idea.2. High speedMeet USB 2.0 criterrion,data transfer speed is quick.3. Easy use,no need power4. Safe and reliableAdopt flash electronic storage ...