Kick any party into high gear with the Sony SRS-XB01 Extra Bass Bluetooth Speaker. This device enhances every beat and boosts your music by giving it more bass. Featuring a rounded design, the Sony SRS-XB01 has a passive radiator that produces powerful sound despite its small size. In addition, the strap makes it easy for you to bring the music with you wherever you go. You can also use the matching strap to secure the speaker anywhere you like. Weighing less than six ounces, the compact and lightweight speaker is always ready to go. Thanks to its water-resistant design, you can listen to music indoors or outdoors without worry. Furthermore, the Sony SRS-XB01 comes with on-speaker buttons, offering convenient control of the music. Providing up to six hours of playback, the battery allows you to listen to your favorite songs without interruption.