: This restores sonic details to compressed MP3 music, providing a richer, "CD-quality" audio experience.
Based on the model number "97" associated with MP4 players, here are the most useful features for popular devices in this category: Philips GoGear (SAxx/97 Series) 97 mp4
: This is a lifesaver for travelers. A quick 5-minute charge provides roughly 90 minutes of audio playback , ensuring you aren't stuck with a dead battery for short commutes. : This restores sonic details to compressed MP3