Product descriptionsWhat is magnetic fluid?Magnetic fluids, also known as ferrofluids, consist of magnetic solid particles with a diameter of nanometers (less than 10 nanometers) and have the flowability of liquids and the magnetic properties of solid magnetic materials.Parameters:Acoustic unit: 2“” broadband loudspeaker with 10 W x 1Frequency response range: 100 Hz ~ 20 kHzRated power: 10 WBluetooth connectivity: 5.3Power supply: DC 12V / 2AWeight: 1500gPacking list:Main unit x 1Magnetic fluid * 1Adapter × 1Instruction manual × 1Magnet * 1★Our services1. we always welcome all buyers we always meet, and want to provide you with the best product and service.2. provide strict quality control, faster and safer shipping.3. your feedback is very important to us. Please leave us a good feedback if you are satisfied with our goods and services