Support MP3 music in SD/MMC card, and USB flash driver
- Support AUX-input
- Support FM auto-scan radio
- Support stereo earphone
- Low-power Digital power amplifier module, output power:
 3.0W;
- Hi-fi stereo speaker (4Ω/3W)
-Input sensitivity ①AUX 450mV ②FM 380mV  
③SD/USB 450mV
- SNR≥68Db
- Charging Voltage: DC 5V
- Working Voltage: DC 3.7V
-Battery capacity: 850mAH