Metal And Leather Bracelet USB Flash DrivesSpecification 1. Memorysize:1MB/32MB/64M/128MB/256MB/512MB/1GB/2GB/4GB/8GB/16GB/32GB/64GB2. Size: 240 x 30 x 1mm3. Weight:  about 50g4. Color: Brown , black5. Material: leather +Aluminum cover6. Plug and play, no need Driver7. Data Retention : more than 10 years8. Toshiba/Samsung/SANDISK Chip. Have the CE,ROHS certification9. Working Temperature: -40°C—+70°C10. Guarantee: 3 yearsFunction ● Standard interface USB 2.0, Writing speed: 3-10MB/s  Reading Speed: 10-20MB/s● Simply operation. Plug and Play and do not need Driver● Logo Printing, we can print logo for you according to your requirement. color printing / Laser printing / silk printing  are available● Password protection , Data Partition ,Encryption that protect your data● Make Advertisement USB : undeletable files, video preloaded , Auto-Run● Fashionable Design with Stability waterproof and dustproof.Tips1. Please offer AI, PSD, Corel Draw or Vector diagram files if you want to print the logo on it, if your logo is simple, high resolution of JPG, PNG, GIF files can accept.2. All the USB default Package is OPP, white paper box, plastic box, metal tin box , black box  etc gift box can be customized.3. Please make sure your computer have no virus before using it, if no necessary, do not directly plug out your USB .4. Usually Backup your important files.