1.Mp3 player 2.2GB 3.kinds of colours Newest design earphone mp3 player, headset mp3 player, sport mp3 player1. Portable back-hang design mp3 player. Convenient ... -on battery. Playing time3 hours;5. USB 2.06. Support MP3, WMA7. Memory up to 4GB8. Key-pressVolume+/- Play/Pause/Previous ... *10mWmany colors: red, black, blue, green, etc. Newest design earphone mp3 music player AT-M339B with 2G memory