Working Temperature: 0 ~ 60 C
Compatible : Windows 2000 / XP / Vista / win 7, Mac 9.0 or above
No need external drive/power supply only plug in.
Case made by steel which protect your data inside.
About REAL Capacity
Capacity flash memory products are usually shipped in accordance with 1MB = 1000KB, 1G = 1000MB computing, but the operating system using binary arithmetic 1MB = 1024KB, 1GB = 1024MB, so there are some differences between the display capacity and standard capacity memory products.This is calculation difference between manufacturer and our PC
4GB = approximately 3.6GB-3.8GB
8GB = approximately 7.4GB-7.6GB
16GB = approximately 14GB-15GB
32GB = approximately 28GB-30GB
64GB = approximately 58GB-60GB
This is calculation difference between manufacturer and your PC, please Google 'USB Flash Drive capacity' to get more information.
1* USB Flash Drive