The Bass Induction Speaker amplifies your favorite sounds with one touch! It features a high-quality 3 Watt speaker, plus two 2-Watt tweeters, so you can pump up the bass in any room! Best of all, you don’t need any cords, cables, Bluetooth or Wi-Fi. Just hit the play button on your smartphone and lay the smartphone on top of the speaker — it amplifies the sounds and vibrations coming from the phone’s external speakers! Note: Compatible with most smartphones and MP3 players with external speakers.