Cartoon Super man model usb 2.0 memory flash stick 4 GB

Operating Temperature: 32° F to 140° F (0° C to 60° C)
Storage Temperature:  -4° F to 185° F (-25° C to 85° C)
Power consumption: 4.5V - 5.5V
Support OS:  Desktop or notebook computer with USB port
                       Windows 7, 8
                       Window Vista
                       Window XP / 2000 / ME
                       Macintosh Mac OS 9.0 or later and Mac OS 10.1 or later
Note:

• Speed may vary due to host hardware, software and usage. Read: Slowest 4MB/s, the fastest 25MB/s, Write:Slowest 2MB/s, the fastest 12MB/s.
• The actual available memory on the device is less than what is listed on the package. 
• 1GB=1,000,000,000 Bytes. In OS system, it would be displayed as 1,000,000,000 Bytes/1024/1024/1024 = 0.93GB. A certain portion (1~3%) of the storage capacity might be reserved for firmware and maintenance use.