Take your music anywhere with the ULT FIELD 1 portable speaker from Sony. Despite its compact size, it delivers powerful sound with a high-quality woofer, tweeter and passive radiators for enhanced bass. Press the ULT button to boost bass and sound pressure for a huge audio experience. It's waterproof, dustproof and shockproof with an IP67 rating, perfect for the beach or park. The adjustable strap makes it easy to carry, and with up to 12 hours of battery life, your playlist lasts all day. This affordable speaker offers premium performance without the high cost.