Product Name: Round Plastic Card USB Flash Drive Model NO.: UF-106 Open Style: Opening Material: Plastic Shape: Card Interface Type: USB 2.0 & USB 1.1 Storage Capacity: 2-4G Size: 4.0X0.3cm Weight: Nw: 5.0g Trademark: TYSEHN or OEM Transport Package: Bulk Pack/PE Bag/Blister/Color Box Specification: CE/ROHS/FCC Origin: Shenzhen, China HS Code: 8523511000 Product Description Round Card USB FlashLarge and Flat Double Sided Imprint AreaImprinting Options: Full Color ImprintImprint Locations: Front Side, Reverse SideImprint Surface: PlasticSurface Quality (optional): Mat / Glossy / 3DDurability: Water Proof, Sand Proof, Heat Tolerant, Washing Machine, Car DashboardCompatibility PC or Mac with a USB interfaceOperating Systems: Windows Vista/XP/2000/ME/98/95, Mac OS 8.6 and above, Linux 2.4. XDrivers only Required for Windows 98/95, online Download AvailableInterface: USB 2.0/1.1Operating Temp: 0~55 CentigradeStorage Temp: -20~+55 CentigradeOperation Relative Humidity: 20%~ 90%(40 Centigrade)Storage Relative Humidity: 20%~ 93%(40 Centigrade)Data Transfer Speed: 15-20MB/s for reading, 6-8MB/s for writingData Retention: 10 years minimumWarranty: 3 yearsCertification: CE, FCC, RoHS