... LED lumen 5LM 2.Resolution 320*240 3.Speaker Built-in speaker(1*1W) 4.Storage Built-in 2GB flash memory,support TF 32G Projection modeBrightness5LMDisplay ... WAV, AMR, AAC etc main video formatsVideoSupports ASF,AVI,MP4,3GP,FLV,MPE,MPG,MPEG,DAT,RM,RMVB etc, ... . SpeakerBuilt-in speaker(1*1W)StorageBuilt-in 2GB flash memory,support TF card expandingPower supply 5V/1A power adapter,built-in 770mA polymer ...