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By certification 
Advantage of metal usb flash drive:
1. Professional factory directly sale all over the world, offering the most competitive prices.
2. Superior quality, each USB flash drive undergoes stringent testing to guarantee its memory space and writing/reading speed meeting the standard.
3. We are able to manufacture customized USB flash drive according to your own creative ideas.
4. Deletable and undeletable file upload available.
Specification of usb bracelet:
| Capacities | 2GB, 4GB, 8GB, 16GB, 32GB,64GB |
| Operating Temperature | 32°F to 140°F (0°C to 60°C) |
| Storage Temperature | 4°F to 185°F (-20°C to 85°C) |
| Speed | writing speed :3-8M/s .reading speed :12-20M/s |
| Simple | just plug into any USB port |
| Convenient | sturdy loop supports most key rings |
| Handy | compact size |
| Guaranteed | 1-year warranty |
| Operation system | Windows XP,Windows 2000, Windows Vista, Windows 7 or above |
| Accessories | Manual ,cd drive, USB cable, lanyard, keyring (optional) |
| Data retention | 10 years |
Compatibility Table of usb bracelet:
| Operating System | File Transfer | Password Traveler |
| Windows® 7 | Yes | Yes |
Windows Vista® (SP1, SP2) |
Yes | Yes |
| Windows ReadyBoost | No | No |
| Windows XP (SP1, SP2, SP3) | Yes | Yes |
| Windows 2000 (SP4) | Yes | No |
| Linux v 2.6.x+ | Yes | No |
