Nice design U disk,Flash drive with 128MB,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB Memory PVC design Specifications: ♥ Interface: USB2.0 ♥ USB Service Voltage: 4.5V-5.5V ♥ Environment Temperature: -40°C - +70°C ♥ Storage Temperature: -50°C - +80°C ♥ Storage Lifetime: More than 10 years ♥ High speed: 6MB/s write,15MB/s read ♥ Operating System: Win98/ME/2000/XP, Mac OS 9.X/Linux2.4 ♥ Convenient to ...