Enjoy music anywhere with this compact Sony speaker. What makes this speaker so special is the ULT Sound Mode (Power Sound). With a single press of the ULT button, you activate a powerful sound experience: the bass is boosted and the sounds are fuller, immersing you in a captivating listening experience. This speaker fits easily into any bag and thanks to the included carrying strap, it's easy to take with you. Whether you're going to the beach or on a day trip, no problem. Thanks to the IP67 certification, the speaker is dust, water, and rustproof, and with a 12-hour battery life, you can enjoy your favorite music all day long. This wireless Sony speaker is very easy to pair with a Bluetooth connection. You can also connect a second Sony ULT Field 1 speaker for an even more intense sound experience. Personalize this Sony ULT Field 1 speaker with a full-color print and a sleeve.