One touch Audio/Video recorder Zinc alloy shell Video format :AVI(resolution:720p) Audio format: WAV Checking image on the device screen while shootting video One button for audio & video recording Formatting, delete file on device 16GB for recording time: about 23hours PCM record (Format:WAV,1536kbps,48KHz) High quality speaker inside OS:Windows7/XP/Vista/2000/Mac OS Screen:128*96 TFT Color screen Power Supply:610mah Rechargeable Lithium battery Recording duration after full recharge: 2.5hours video recording, 5hours voice recording Microtype Two stereo micro Record format: PCM(WAV,1536kbps) Memory: External TF card up to 32Gb Weight:75g