① standard USB 1.1 interface, speed data transmission speed read : 1000KB / S (with the computer configuration) Write Speed : 800KB / S ② standard USB 2.0 interface, speed data transmission speed read : 10MB / S (with the computer configuration) Write Speed : 5MB / S exterior and tables - free USB drive (except modal) Product Features : USB Pens, and with laser, and convenient to carry copper shell, the outer plating seismic tide, and anti - electromagnetic interference sunshine, ● 2001 qualitatively extracellular : USB data cable / Install CD / brochures / mobile