Setup type and Power Source
These are two channel configuration speakers. The main unit or the subwoofer is absent in this product. This is one of the main reasons for the affordable cost. But before purchasing it online, compare prices so that you get the best online price. The USB connectivity is the power source for the speakers. You can also use the 3.5 mm headphone jack for connectivity. You can use the 3.5 mm audio port to connect the speakers with a mobile phone, laptop, and other devices. It operates at DC 5 V. The power output for the speakers is 4 W.