Listen to clear vocals and deep bass on the go or at the beach with the ULT FIELD 3 Wireless Portable Speaker from Sony. The two-way speaker design with a dedicated tweeter and woofer gives your music more clarity and rich bass. Low-end rumble is enhanced by the side passive radiator and a press of the ULT button to boost the bass. Designed to be taken with you, the speaker can be carried long distances via the detachable shoulder strap, or easily picked up and moved around the room. If you head outdoors, the park, beach, or pool are all options, thanks to the ULT FIELD 3's water-resistant, dustproof, and shock-resistant design. You can even rinse off the sand when the day is done. ULT FIELD 3 is for more than just music. Pair a smartphone and use the built-in microphone with echo cancellation to take crystal-clear hands-free calls. If a casual hang turns into a party, you can expand the soundstage with additional speakers. Pickup a second ULT FIELD 3 and you can use Stereo Pair to lin