... MP3/WMA music formats 3.U disk function Newest digital voice recorder,can offer OEM/ODM productionPackaging & DeliverySpecifications1, Recording ... format 4, Six files A, B, C, Digital voice recorders1, Recording files are automatically named by date2, Direct ... :320/640minutes.LP recording time:440/880minutes.digital voice recorder pen(voice reocrder,voice recorder pen):1:HQ recording time 90/180 ...