Parameter: Memory: 8GB Maximum recording time: about 2320 hours Document layout: MP3 Make Stronger MP3/WMA/WMV /ASF, and so on. Powered by means of 2 AAA batteries Dimension:107mm x 28mm x 17mm Instruction: 1. OS Make Stronger: WINXP, VISTA, 2000, WIN7( 32 bits ) 2. Voice recording: When it could possibly’t Record the voice, please test…