Sony Nwz-e435f - 2gb Walkman Mp3 Player Long battery life with up to 33 hours of audio playback and up to 8 hours of video on one charge 3 Clear Audio Technologies: Utilizes 3 Clear Audio Technologies to reproduce crystal clear, CD-quality audio Clear Bass enhances the bass sound while minimizing distortion High-quality video playback: Playback your favorite videos right on the player using MPEG 4 or M4V profile at 30 frames per second FM Tuner with 30 Station Presets