Specifications:
storage capacity: 4GB/8GB/16GB/32GB/64GB
Interface: USB 2.0
Environment Temperature: -40C – +70C
Storage Temperature: -50C – +80C
USB Service Voltage: 4.5V-5.5V
Storage Lifetime: More than 10 years
Use A-class chip, can be erased repeatedly for 100,0000 times
Flash drive reached 3 weeks to mo, good, i'm happy