Characteristics and Interoperability Excellent Audio Quality: Redragon's first 2.1-channel speaker, the GS520 PRO, has two 50mm 10W full-frequency speakers and a 4-inch 25W downward-firing subwoofer that produce clear treble and strong bass. delivering to you a rich, immersive listening experience along with crisp, dynamic sound effects. Versatile Connectivity: You can enjoy your favorite content from various sources with ease thanks to the Redragon computer speaker system's Bluetooth V5.0, USB-A, SD card, and 3.5mm AUX inputs. These features enable seamless connection to a variety of devices, including laptops, PCs, game consoles, tablets, and smartphones. For added utility, the GS520 PRO also has an FM radio mode. Everybody in Charge: With the help of the included remote control and the handy onboard buttons/knobs, you can effortlessly customize the RGB atmosphere and volume to your liking. Split the bass and treble.