About the product 1. Built-in Bluetooth + Microphone. 2. Support hands-free calls. 3. Support advanced audio transmission mode. 4. Support the clock indicating while power is off. 5. High-quality digital stereo FM radio. 6. Support three-band radio store/sites/default FM1-FM2-FM3, and can preset 18 radio stations. (Radio frequency: 87.5-108MHz) 7. Support USB/SD/MMC card reader. 8. Support audio: APE/FLAC/MP3/WMA/WAV formats and so on. 9. Support folder play function, breakpoint memory and ID3 play. 10. Rotary electronic volume control 11. MP3 play supports pause / preview / repeat / random play and 10 tracks up / down selections. 12. Electronic type bass / treble / left and right balance / front and back balance volume control 13. Multiple EQ scenario mode choice: jazz, rock, pop, classical, etc. 14. Support mute and equal loudness (LUOD) control. 15. Front AUX audio input hole and rear terminal L / R audio RCA output hole. 16. 4 track high-power output (4 high-power loudspeakers) 50W*4 17. Include the installation size of the metal frames (mm): 182(width)*52(height)*120(depth) 18. Body Size: 178mm(Width)*50mm(H)*125mm(D) 19. Work Voltage: DC10V-14V
