The Edifier R2730 is a speaker set with 136 Watts power, connected to via Bluetooth. You connect your tablet, phone, or PC via Bluetooth to stream you favorite playlist directly to this Edifier set. Apart from Bluetooth, you can easily connect multiple devices via the optical, coaxial, and RCA connectors. Whether you like heavy metal, hard style, or classical music, with the control buttons you can change the settings at will. Don't feel like getting up to operate the buttons? With the included remote, you can control the volume, mute, or chance inputs from a distance.