• Rated working voltage:12V-24V
• Limit working voltage:9-262V
• USB output:2.5A
• Working temperature:0-50C
• Play format:Mp3 WPA
• SNR:>60dB
• Degree of distortion: Frequency response:20Hz-15 KHz
• Bluetooth version:2.1+EDR
• Bluetooth sound processing:A2DP (Advance Audio Distribution Profile)function support
• Bluetooth transmission distance:10M
• Effective distance of Bluetooth microphone:0-2M
• FM frequency:87.5-108 MHz
• FM mode:Stereo digital PLL frequency locking