英文版:

　　AC6905A/B/C details:

　　(OTP, Bluetooth MP3 decoder master chip), package: QSSOP-24.

　　1 supports Bluetooth and MP3 audio file decoding;

　　2 support USB, playback; support FAT32 file system;

　　3 key support: up / volume / next / volume +, play / pause, EQ, single, MODE;

　　4 support USB playback support FAT16/FAT32 file system;

　　5 remote control function; support infrared remote control, 18, 21 key models optional;

　　6 support internal oscillator;

　　7.EQ features, EQ has six forms: Class (classical), JAZZ (Jazz), Rock (Yao Gun), Bass (bass), POP (POP), Normal (normal);

　　8 push headphone output amplitude of 3VPP;

　　9.AUX input function can be controlled by the master AUX IC volume size.

　　10 built-in FM radio function, without external radio chip

　　Integrated Bluetooth, FM card, USB decoding, without external SPI flash memory, peripheral super province, lowest cost. Stable performance, the highest price