The Edifier R2000DB is a speaker set with 120 watts of power that can be connected via Bluetooth. You can connect your PC, tablet, or phone via Bluetooth and stream your favorite playlist directly to these Edifier speakers. Apart from Bluetooth, you can easily connect multiple devices via the optical and RCA connectors. Whether you like heavy metal, hardstyle, or classical music, you can use the control buttons to change the settings to suit your preferences. Don't feel like getting up to adjust the settings? You can use the included remote to increase or decrease the volume as well.