Low-end frequencies support exceptional booming bass. ULT Power Sound button enhances bass. Side passive radiator optimized to enhance bass sound. Sound Diffusion Processor expands sound in any space with DSP technology. Water dust and shockproof. Multi-way strap makes it easy to take anywhere. Up to 12 hours of battery life. Built-in microphone. Echo Canceling technology. Activate stereo sound by connecting another Ult Field 1. Effortless Bluetooth pairing with a tap on Android devices. Sony Music Center app. Includes USB-C charging cable.
