... (left, right, back, enter, vol+, vol-, power); Speaker: Built-in stereo speakers; Headset Interface: 3.5mm standard headset interface; MIC: Built-in ... , DIVX), ASF, MP4, 3GP, MP3, WAV, WMA, FLV, RMVB, RM; Audio Recorder: WAV; Browse Photos: JPEG, BMP, PNG, GIF; Power Source ...