Plastic Bluetooth Speaker Portable Subwoofer Waterproof

Product information:
Power type: USB
Color: Black
Frequency range: 40Hz-20KHz
Rated Voltage: 5
Applicable scenarios: car, desktop, fitness sports, outdoor, home, mobile/portable, karaoke, live broadcast, square dance, broadcasting system, outdoor lawn
Rated Power: 10W * 2
Battery capacity: 4000mah
Material; Plastic