... time:up to 5hours 3.memory 2GB/4GB 4.USB drive and voice recording 4GB mini audio recorder is 2in1 combination,USB dirve ... and voice recording( GC-G602) Specification:1. Function:USB drive,mini recorder ... : 1. easy use,plug and play,no driver needed2.2GB/4GB internal flash memory3.2in1 combination: USB drive+voice recording4.supprot ...