1.promotional mp3 music player 2.support Mp3/WMA music format 3.free logo printing 4.Low price Specifications: 1.Supporing, MP3,WMA,WAV audio format 2.Color:green/red/silver/black and so on 3.Size:44x29.5x13.2(mm) 4.Playtime:10hours with earphone 5.Capacity 128MB ,256M,512M,1GB,2GB,4GB,8G(Optional) 6.Read speed SLC5.5 ~ 6.0 MB/S MLC3.5~4.5MB/S