CONCERT 620

SPECIFICATIONS：

• 6.5" woofer x2 + 2.5inch tweeter x2 
• Big power Sound 40W RMS
• 7.4V with Boosting
• Recharable Battery：7.4V / 3600mA
• 2 circle  LED Lights
• Top Panel rubber button + LCD display   
• 2 side panel make OEM laser logo
• USB / TF card - Aux in - Bluetooth - FM 
• Mic input jack x2
• Folder / TWS / Voice prompt / Rec Function
• Treble / bass / echo / mic volume control 
• Portable Speaker With Handle