Portable bluetooth speakers like the Sony ULT Field 1 Wireless Ultra Portable Bluetooth Compact Speaker immerse you in a world of deep, rich sound. This small bluetooth speaker sets itself apart with its unique ULT button that boosts your bass, making it a must-have for music enthusiasts. Imagine having a shower speaker bluetooth waterproof, tailored for your active lifestyle, and perfect for your travels. This waterproof speaker stands out with its IP67 rating, making it rustproof, dustproof, and shockproof, built to endure all your adventures. Outdoor speakers like the Sony ULT Field 1 let you say goodbye to battery anxiety with its impressive 12-hour battery life. This wireless speaker allows you to enjoy your music for extended periods without the need for constant recharging, ideal for long days out or unwinding at home. Bluetooth speakers like this one can transform any space into a concert hall with its sound diffusion processor. These portable bluetooth speakers use advanced DSP technology to create an impressive surround sound experience, ensuring your music always sounds its best. Express your style with this small bluetooth speaker, available in four color options: Black, Off White, Forest Gray, and Orange. As a shower speaker bluetooth waterproof, it allows you to add an extra speaker for stereo sound and features a built-in microphone with echo canceling technology for clear calls.