Mini SD card MP3 Audio format:MP3,WMA,WAV size:44x29.5x13.2mm color:green/red/silver/ ... on capacity:1G,2GB,4GB Mini Clip MP3,Cheap MP3,Christmas Gift MP3Specification:1.The mp3 player has a fast download speed and stylish ... play 5-8 hours after full charging.5.Support audio format: MP3,WMA6. USB2.0 interface,U-disk function7.No driver needed ...