... 4.Contrast ratio: 200:1 New style portable mutimedia LED mini projectorMini projector Descriptions:1.Dimensions: 155 x 135 x 64mm2 ... -in Video/Audio decoding function, play video/audio file diretly. Mini projector Supports: 1.Video: MPEG4, AVI, RM, RMVB, MP4. support ... Connect with laptop to project5.Built-in speaker, with earphone jack can connect to external speakers6. Can Connect with PC/laptop ...