... ROSHS,F Polo shirt USB Flash Drive Specification:1.Available Capacity: 128MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB;2.Interface: USB 2.0;3.Operating Systems: ... /s for write;6.Compatibility: PC or Mac with a USB interface;7.LED Indicator Light: LED Flashes when ... external power supply required,USB bus powered.12.Provide OEM service,logo printing,data preload,autorun,customized programming etc.13.Certification: ...