Compact speaker that expands sound all around The SRS-XB13 is durable and portable. It comes with a specially engineered strap to make travelling with it easier. But don't be fooled by its small size—with Extra Bass Sound Diffusion Processor, this little speaker packs plenty of punch. Enjoy powerful sound with EXTRA BASS A passive radiator works together with a full-range speaker to enhance low-end tones, giving bass a boost. Goes wherever you go The durable exterior and multiway strap make this speaker ready for just about anything. Hang it from your backpack or on your wrist or even from a parasol when you're out in the sun. The downwards-facing speaker will create a waterfall of music that engulfs you in the rhythm. Small speaker, big sound Don't be fooled by its compact shape; this little speaker packs major surround sound. The Sound Diffusion Processor expands sound in any space, with its DSP technology. Take the fun outside Waterproof and dustproof with an IP67 rating, this speaker is just as good outside as it is inside. Take it to the pool, river or park, and you can listen to your music while you and your friends enjoy the sun. Epic party stamina Get up to 16 hours of battery life to keep the party going. A new battery indicator, right on your smartphone, lets you know when it's time for a recharge. Keep your hands free Need to make a call? No problem. Whether you're at home or out and about, the built-in mic lets you enjoy hands-free calling straight through your speaker. Bluetooth Connection and Fast Pair In one tap, the Sony SRS-XB13 enables quick effortless Bluetooth pairing with your Android devices.