Hands-free profile dials & receives calls & displays call logs, Phone book access profile displays caller info & contacts, Audio remote enables playback controls, Advanced audio distribution profile streams audio wirelessly Enjoy your favorite audio & video via USB. VM-22B supports playback of MP3, WMA, M4A audio files, AVI, MP4 & H264 video files and JPEG, GIF, PNG & BMP image files are also viewable. ID3 MP3 Tag compatible for track & artist information. Each Soundstream head unit features a Class A/B integrated circuit audio amplifier built-in. It’s 75 watts peak power is sufficient for most factory car speakers. Sound staging options include balance, fade, and a bass & treble level adjustment. Select multimedia source units to include an 8 or 10-band graphic equalizer. Users can tune the audio to their tastes by increasing or decreasing the level of the various frequencies. Several pre-set genre EQs are included..