Wireless Bluetooth Speaker Subwoofer Portable Card-Insert Bluetooth Audio System

Product information:
Power Source: USB
Frequency Response Range: 100 Hz - 20 kHz
Rated Voltage: 5 V
Additional Features: Card Slot, Waterproof, Dustproof, Drop-Resistant, Call Function
Applicable Scenarios: Car, Desktop, Fitness & Sports, Outdoor, Home, Portable, Outdoor Lawn, Other
Rated Power: 16 W