Sony ULT FIELD 3 Bluetooth Speaker with Powerful Bass, Clear Vocals, 24-Hour Battery Life, Shoulder Strap, Waterproof and Dustproof, SRS-ULT30 BC,

Dynamic deep bass from a slim body that can be carried with one hand. Powerful and clear sound. Sound field optimization function detects and automatically adjusts surrounding noise. Durable enough to be used in the bath. Approximately 24 hours of playback time.