Easy Operation & Full Compatibilities - Just plug and play. The usb cable for power and the aux in cable for the sound. Work with any device that has a standard 3.5mm headphone jack, such as desktops, laptops, cellphones, tablets, Gaming Desktop. (If your device doesn't have a USB jack,the USB cable can be directly plugged into the AC outlet or any 5V charger power supply Simple But Powerful - Adopted the low-voltage digital power, the maximum power can be 3W x 2, ensure the sound clear, bright, rounded and thick. Small Body(6.96x3.34x3.14inch) with powerful audio! Super Sound Quality - Unique subwoofer technology and the latest eco-material are adopted and excellent in high-performance precision drive and 360 surround sound design. The sound quality is high and it is a gem that excels in the low range. 2.0 Channel stereo speakers, enjoy the best stereo effect! Easy Control and Long Enough Cables - Volume control/headphone jack on front of the right speaker, Just adjus