Ultimate Ears Boom 4 Bluetooth Speaker Color:Active Black Made with durable 304 stainless

Made with durable 304 stainless steel

Put a fork in single-use plastic waste

because we don’t believe in warm beer…soda

Elemental Tumbler keeps your beverages warm even on-the-go

Phthlalate Free Fragrance

Ultimate Ears Boom 4 Bluetooth Speaker Color:Active Black Made with durable 304 stainlessGrab 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.