... ; supported formats: mp3, mp4, midi, amr; calls feature: CND other location, whether landline or mobile phone caller ID all the other ... simultaneously, five speakers bass output, Bluetooth stereo Video 3GP, MP4, 3GP/MP4 full-screen playback, support fast forward / pause FM ... , and set up MP3 ringtones Other functions MP3 function, MP4 functions, hands-free calls, Short Message, recording function, ...