... expansion is 16G TF card Expansion Bluetooth files transmission,Bluetooth earphone(voice),Bluetooth music(stereo) Data transfers bluetooth/USB Image format jpg,gif,bmp,png ... MP3,MP4,Hand free,SMS group send,Recorder,WAP,Handwriting,Bluetooth,GPRS,MMS,Smart phone,Storage expansion,E-book,Incoming call ... screen, 800*480px JAVA, digital TV, 3.5mm earphone jackStandard USB interface, gravity sensor