Ultimate Ears Wonderboom 4 Portable Bluetooth Speaker (Sand Beige) LimitedStock The only true sonic technology

The only true sonic technology

Please refer to their battery type

Up to 60 hours of continuous use on a full charge and up to 3 hours on a 10-minute rapid charge (via USB-C connection)

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Ultimate Ears Wonderboom 4 Portable Bluetooth Speaker (Sand Beige) LimitedStock The only true sonic technologyOverview Ultraportable Bluetooth speaker with a surprisingly bigger 360 sound. Its crisp, bassy, and ready to go with 14 hours of boom. The IP67 rating means its waterproof, dustproof, and floats. Take it to the pool, the beach, or even the shower. Its amazing sound, no matter where you take it. Key Features Surprisingly Bigger 360 Degree Sound The WONDERBOOM 4 portable waterproof Bluetooth speaker features bigger 360 degree sound in a petite package;