Lot USB 2.0 1GB 2GB 4GB 8GB 16GB 32GB 1MB-64GB Memory Wholesale 5/ 10/ 100 Pack

2 To extend USB flash's life span, it would better to plug the USB flash drive down after operation asap. No external power is required 4.5V ~ 5.5V from USB port. 1 Don't operate the files in the USB flash directly.