... ,max expansion is 16G TF card Expansion Bluetooth files transmission,Bluetooth earphone(voice),Bluetooth music(stereo) Data transfers bluetoothactivsync,microUSB/WiFi ... MP4,Hand free,SMS group send,Recorder,WAP,Handwriting,Bluetooth,GPRS,MMS,Smart phone,Storage expansion,E-book, ... 12.30 Suitable group Commercial phone Accessaries 2batteries(1230mAh)/earphone/datawire/2G card Frequency GSM:900/1800/1900 ...