| Product name | best price 15 inch battery bluetooth karaoke trolley speaker box with 2 wireless mic |
| Model | QJ-666-04 |
| Material | ABS |
| Speaker Unit | 15-inch bass 140 Magnetic+38 core + tweeter 80 magnet |
| Power | 100W |
| Battery | 12V/4.5A Lead Acid battery |
| Function | FM/USB/AUX/BT/TF card/TWS |