About this item 76-108MHz global FM frequency band compatible (including 76-91MHz in Japan, 87.5-108.5MHz in Europe and America). I2C serial data bus interface communication, support external reference clock input mode. The fully integrated COMS process single-chip integrated circuit, extremely low power consumption. Built-in high-precision A/D (analog-to-digital converter) and digital frequency synthesizer；Built-in LDO adjustment, low power consumption, ultra-wide voltage range (2.7-3.6VDC) Built-in noise cancellation, soft mute, bass enhancement circuit design；High-power 32Ω load audio output, direct earphone connection, no need for external audio driver amplification › See more product details