Ultimate Ears Boom 4 Bluetooth Speaker Color:Cobalt Blue Waterproof and dustproof: The JBL

Waterproof and dustproof: The JBL Go 4's IP67 waterproof and dustproof rating ensures this portable speaker can handle almost any environment

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triple gasket stainless steel crown

Grip Band: Custom branded silicone ring that holds the grip in place

Ultimate Ears Boom 4 Bluetooth Speaker Color:Cobalt Blue Waterproof and dustproof: The JBLGrab the super portable wireless Bluetooth speaker that's built for adventure. Seriously waterproof with balanced 360 degree sound, deep bass, and one touch music controls, the Ultimate Ears BOOM 4 is the ultimate go anywhere speaker. Experience four different EQ modes or customize yourself. The BOOM 4 is an extremely wireless speaker with 45 meters (147 feet) of range, so you can walk away and keep the tunes comin'. Ultimate sound. Made to wander.