1.promotional gift silicone usb bracelet 2.good quality,nice price 3.best promotional gift 4.any logo can be printed Specification: 1. Available Capacity: 1GB,2GB,4GB, 8GB, 16GB, 32GB,64GB,128GBso on.2. Interface: USB 2.0; 3. Operating Systems: Windows Vista/XP/2000/ME/98/95 and Mac OS 8.6 and above; 4. Transfer Rate: High Speed USB 2.0; 5. Data transfer speed: 15MB/s-21MB/s for read, 5MB/s-8MB/s ...