... 4.USB Hub+Card reade For Apple iPhone4/4S(HDMI+AV+CHARGE+SYNC)Features:· Support High-definition HDMI (720P/1080P) output ... .· Support AV(CVBS) output.· Support videos, movies, MTV, Podcast, etc... · USB Charge ... .· Plug and play, No need power supply, No need jailbreak. · Dock design for iPhone4/4s,unique sound exprot design. HDMI ...