1. Material: plastic 2. Transfer rate reading: 10-15mb/sec 3. Transfer rate writing: 3-5mb/sec 4. Warranty: 5 year 5. Certification: ce rohs fcc 6. Production lead time: 1-4 days(500pcs-1k), 4-6 days(1k-2k), 7-11days(5k-10k) 7. Usb 2.0 interface 8. Memory size: 512mb - 32gb 50pcs/box, 6boxes/carton