The slide usb wallet card features slide usb connector and usb shells in material of aluminum with oxidized multicolors . The promotional usb card with the extreme ultra-thin of fashional appearance, the thickness of the pendrive is only 3 mm,and the weight is only 20g,and usb model can be in high capacity up to 128Gb. The metal usb card's metal faces give you a delicate touch,and elegant dark gray skin, emitting a mature, stable, Thatcher's leadership qualities. Metal business card usb disk is more than just a storage disk, but also a symbol of an identity and taste, a distinctive mark of the high quality of life.The mini metal usb card became a "wallet secretary" because of the many business elites. 1. Item name: slide usb alumium card pendrive 2. Delivery date: 3-5 workdays 3. Delivery term: UPS, DHL, FEDEX, TNT 4. Price: more competitive larger Q.T.Y 5. Warranty: 5 years 6. Logo printing: silkcreen 2-3C logos, also above 3C logos, laser printing logo. Size (lengthx widthxthickness): 76x48x3 (mm) 7. Packing: white paper box (free), magnetic plastic box, metallic box, blister packing, customs packing 1) Full compatibility with USB 1.1 and 2.0. 2) Capacities: 512mb,1gb,2gb,4gb,8gb,16gb,32gb,64gb. 3) For Mac and PC, No Driver Required 4) No External Power Required 5) Functions as Hard Drive 6) Shock Resistance: 1000G 7) Data retention: 10-year minimum 8) Auto-run, Space partition, Password Protection and boot function. 9)Multiple Operation Systems supported: No driver needed in Windows ME, Windows 2000, Windows XP, Mac 9.x or later, Linux Kernel 2.4 or later. Only Windows 98 and Windows 98SE need the enclosed drive Value-added services: In the usb sticks' chip,curing company promotional files (video, documents, pictures, procedures, animations, links, etc.),and optional manual or automatic play these promotional files, and can also make these files un-erase,un-formatted (such functions won't affect the use of usb card).