Enjoy big sound with the super compact Sony SRS-XB13 Bluetooth Speaker, featuring EXTRA BASS?, IP67 waterproof and dustproof design, and up to 16 hours of playback time on a single charge. The SRSXB13 is small enough to fit in a bag or cupholder and features a multiway strap to take it with you everywhere you go. The speaker includes built in music controls, microphones, and a Type-C charging cable. For even bigger sound, connect two SRS-XB13 speakers wirelessly for stereo sound that will spread even further.