1. Port: USB 2.0 or USB 3.0, compatible with USB 1.1 and USB 1.1
2. Gold plating for USB pins
3. Material: leather+metal
4. Shape: customization as per your drawings or ideas are highly welcomed
5. Factory Price High Quality Luxury Leather USB 2.0 3.0 Flash Drive, Stick, Disk
6. Capacity: 512MB-128GB, 100% true capacity
7. Memory brand: Samsung, Toshiba and SanDisk, or as per your request
8. Data Retention: at least 5 years
9. Password protection and optional auto-run function
10. Plug-and-Play function, no need of any extra power supply
11. Operating Temperature: 14 to 131 ℉ (or -10 to 55 ℃)
12. Storage temperature: -4 to 131 ℉ (or -20 to 55 ℃)
13. Writing speed: 4.5MB/s for USB 2.0, 10MB/s for USB 3.0
14. Reading speed: 10MB/s for USB 2.0, 35MB/s for USB 3.0
15. Operating Humidity: 20% -90%
16. Storage Humidity: 20% -93%
17. Logo printing or embossment is highly welcomed
18. Various packing is available, from white box, black box, aluminum box, to window box, or as per your request
19. RoHS compliance
New Arrival High Quality Leather USB 2.0 3.0 Flash Drive, Stick, Disk with Logo