USB with 5V boost, no remote control
+With lithium battery protection, microphone holder is external
+Single power amplifier, potentiometer volume, speaker function
+With seven colors + fantasy, seven colors + fantasy are controlled by MODE (short press to switch fantasy mode, long press to switch function)
Speaker specifications: 6.5 inches * 2
Power: 20W
Battery 18650/3.7V/2400MAH
Accessories: Type-C charging cable. Wired microphone. Instruction manual
