Fantech GS302 Alegro speaker comes with dual connection, these are 3.5mm + USB; Bluetooth version: 5.0. You can easily connect your headphones to GS302 by plugging them into the included 3.5mm port. Fantech GS302 Alegro is designed with minimalistic RGB lighting, to enhance your gaming or music experience, smart music mode, which will follow the beat of your music. The Fantec Speaker featured with Driver unit: 52mm, Speaker sensitivity: 80db, Frequency response: 100hz-20khz, Total harmonic distortion: 10%, Impedance: 4, Input interface : 3.5mm+USB, Bluetooth version: 5.0, Spectrum mode: 5, Output power: 3w x 2 and Working temperature: -40C to 20c. You can easily control the speaker power and volume by adjusting the knob. Simply click the knob to switch between AUX or Bluetooth modes. Hold the knob to turn ON/OFF the speaker and also Quickly switch the RGB mode on the fly by tapping the RGB touchpad. The latest Fantech GS302 Alegro speaker comes with a 01-year warranty.