Get things booming anywhere with this portable speaker with EXTRA BASS and a compact design for worry-free listening indoors or out. Play your favorite tracks and playlists from your smartphone, anytime, anywhere. With the SRS-XB01, you can enjoy great-quality sound wherever you are whether you're out skating or hanging at the park. Bring your music to life with rich bass and clear, punchy sound. Featuring a stylish, rounded design, along with a hidden passive radiator to enhance low bass frequencies. With the color-coordinated strap, you're never separated from your favorite tracks. Attach your speaker anywhere from your handlebars to your handbag.