Smart Computer Subwoofer Car Audio Gift $ 20.39 Product information: Product size: 7.51416cm Product gross weight: 0.425kg Battery capacity: 1800mAh Rated voltage: DC 5V Charging time: 3-4H Rated power: 3.2W (40*0.2W/ILED template) Use time: 2-3H Product material: ABS + iron mesh Packing list: Product1 Instruction1 Type-c Charging Cable1 Color Box1 Audio Cable*1