... children learning 3.With custom OEM sounds 4.Good sound quality 5.CE,RoHS,FCC,ISO Details: 1 ... for children learning2.With custom OEM sounds3.Good sound quality4.CE,RoHS,FCC,ISO5.Gold supplier 5 years6 ... DSP 16 Bit Record IC. this can be record sound quality clearer. This is advatange 1. (2) Advantage ... 1 ADC, this can realise the exchange between digital and analog signal. (4) Advantage 4: It has 8K ROM ...