Newly developed high number of seconds the recording IC, there was a recording, playback and can block the highest number of seconds to 790 seconds, the sound quality is super good, simple peripheral circuit. A playback at present basically has: recording IC, 20 seconds, 10 seconds, 30 seconds recording IC, IC 60 seconds recording IC, 120 seconds of IC, 390 seconds recording IC, IC 780 seconds; Can be segmented audio IC: 10 seconds 12 segments playback, 21