iAUDIO CW300-256MB (MX400) MP3 Player w/FM & Voice Recorder Includes MP3 player, Sennheiser MX400 earphones, Armband, Armband-case, Belt-clip, Battery, Installation CD (jetAudio, jetShell & jetVoiceMail), Manual and USB Cable Very small, lightweight and stylish design with the weight of 1.48 oz and the dimensions of 3.2 X 1.6 X 0.7 inches Voice recording capability and FM radio listening/recording function Up to 30+ hrs of continuous skp-free playback with one AA battery and top-quality earphones provided Fully compatible with World-renouned MP3 software, jetAudio