... , then GSM900/1800 (Mobile, China Unicom 2G card)*File system capacity 4GB (FAT disk format)*Extended ... to support up to 32GB TF card expansion*CPU VIA 8650 (800MHZ)*System android 2 ... , WMA, MP2, OGG, AAC, M4A, MA4, FLAC*Video playback support 3GP, MP4, FLV, MEPG 1/2/4, AVI ... headphones battery life 3 hours movie playback, 5 hours of music playback,*Operating system Android OS 2.2