mini projector,portable mini projector,home theater projector,support MPEG4 AVI, RM, RMVB, FLV, WMV, 3GP, MP4, ... media devices show Built-in removable high-capacity lithium-ion battery, support for a long time mobile usage Built-in high ... Audio Interface: 3.5mm audio output interface Power: Rechargeable lithium battery, can use up to 80 minutes, Power Supply: 5V, 2A ...