☆Support USB online downloading and replacing speech content.
☆External memory 4Mbi~128Mbit, voice up to 5000s, 510 sections of speech addresses.
☆Support PWM and DAC audio output mode, PWM output directly driving 8R0.5W speaker.
☆Support MP3 control mode, key control(15 types key control modes), 3*8 key combination, parallel port mode, one wire and two-wire and three-wire serial port control mode.
☆Support combination play, up to 12 groups of voice. Can insert mute.
☆Automatically into sleep mode when not working.
☆Strong anti interference ability, can be applied in industry area.
☆Set BUSY output mode arbitrarily.
☆Working voltage: DC2.4~5V.