QQ-Tech&reg; 8GB iSpread USB Flash Drive Flash Memory Disk for iPhone / iPad / iPod, USB Connector and Apple 30-Pin Dock Connecter, easy to transfer data between your iDevices and Mac/PC Double Ports: USB & Apple 30pins port; Streaming broadcasting the music, same as external expanded memory card Support extension of Micro SD card, extending up to 16G (not including Micro SD card), More space and more freedom Independent broadcast program, supporting playing music through background, directly playing music without occupying the storage for your iPhone/iPad No need the iTunes, Network and Jailbreak, Easy to transfer/ backup/restore the data/info With independent voice recording function, No need to download App program; super file manage function