<br><b>Specification</b><br>Output Power(rms): 3W*2<br>Speaker unit: 2”x2<br>Frequency response: 60Hz~20KHz<br>Power supply: DC 5V<br>Speaker size: W415*D78*H68mm<br><br><b>Package:</b><br>Speaker Unit*1<br>User Manual*1<br><br><b>How to make it work?</b><br>[PC]: Plug 3.5mm cable into audio input and USB cable input of your desktop. (USB plug for powered and RGB Lights)<br>[Mobile phones]: Make sure there is a device can be USB powered. Plug 3.5mm jack to the smart phones then. <br>[TV]:<br> 1.Ensure your TV has 3.5mm jack and a RCA 2-in-1 adapter cable (NOT INCLUDED). 2.Plug the RCA 2-in-1 adapter cable into the 3.5mm jack of the sound bar, and connect with TV then.<br><br><b>Q&A:</b><br>Q1: Why no sound when i plug into 3.5mm jack?<br>A1: Connect the USB cable to the power supply and insert the 3.5mm audio cable into the audio output of your device (such as PC /Notebook / Smartphone). Turn the rotating button to adjust the volume.<br><br>Q2: How do i turn off the lights?<br> A2: You can switch off the light power button at the back of the sound bar directly.