Sony ULT Field 7 Black

With the Sony ULT Field 7 Black, you can enjoy deep bass. With the ULT button, you can choose from 2 different modes. Deep Bass amplifies the bass and adds more depth to the music this way. The Attack Bass provides more volume and power, so you're totally immersed in the music. Thanks to Sound Field Optimization, the speaker adjusts the sound to the space. This ensures that you hear a full sound in every room. The speaker is dustproof and water-resistant, thanks to the IP67 certification. So you can take it with you to the beach without problems. It has a 30-hour battery life, so you can listen to music for days. You can charge your smartphone via the speaker. So you can charge it when it's almost empty and you keep listening to music.