Bracelet memory stick in PVC EBR-005 Material: PVC Dimension: 210mm* 20mm* 8.3mm(L&W*H) Weight: 19g Colors Available: white, blue, red, yellow, color customizable LOGO Methods: silkscreen printing/molding Certifications: CE, FCC, ROHS M.O.Q.: no limits Delivery time: 3-5 working days 24/48-Hour Rush Service: available Technical Features: 1) Interface: USB 2.0, or USB 3.0 optional 2) Available capacities: 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB, 128GB,256GB 3) Data transfer rate(USB2.0): 3-7MB/s for write, 12-15MB/s for read 4) Operating Systems: Windows, Vista, Mac OS, Linux 6) Data retention: 10 Years Minimum