... Physical keys for application launch key (menu key), send & end, power, camera, lock, volume up & down PowerBL-5J 1320 mAh ... its talk time. MemoryMicroSD memory card slot, hot swappable, max. 16 GB 81 MB internal memory 8GB microSD memory card in-box Operating ... hr 30 min (high or normal quality). Dependable on available memory. RealPlayer Video playback file formats: MPEG4-SP playback 30fps ...