... EVDO£¡§China Telecom£©WCDMA£¡§CUCC£©High-speed Internet access audio card AC97 Sound Effects Processing micro SD integrated microSD £¬expandable ... transfer, OTG and HOST expansion keyboard High simulation soft keyboard audio support AAC, AAC+, eAAC+, AMR-NB, AMR-WB, ... port£¬support OTG, host 2.5mm Earphone Switch keyTF card port SIM portVolume button Reset buttonReturn menu buttonSpeaker2 speakers, ...