Chip model: AC7003F4/AC7006F4
CPU: 32-bit DSP
Support protocol: 5.3+BR+EDR+BLE
Supported formats: MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV, AIF, AIFC
Packaging: QFN20 (3 * 3MM)/QFN32 (4 * 4MM)
Chip model: AC6956A4
CPU: 32-bit DSP
Support protocol: 5.1+BR+EDR+BLE
Supported formats: MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV, AIF, AIFC
Packaging: QFN32 (4 * 4MM)