Certified Refurbished product has been tested and certified by the manufacturer or by a third-party refurbisher to look and work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with relevant accessories, a 90-day warranty, and may arrive in a generic white or brown box. Accessories may be generic and not directly from the manufacturer. SURPRISINGLY SERIOUS SOUND - Don't let the small package fool you, each UE WONDERBOOM delivers massive, crisp, clear 360-degree sound so you can liven up the party. BLUETOOTH CONNECTIVITY - Connect to your UE WONDERBOOM using Bluetooth and keep on playing up to 100 feet (30M) away

Stretchy, attachable marine-grade bungee: Strap the wireless speaker to your bike, backpack, kayak or wherever else you want to take your music Waterproof: You can submerge UE ROLL 2 outdoor speaker in water, waterproof for up to 30 minutes and a depth of 1 m Lighter than a can of soda: Ultra-portable speaker and so light you will forget you are even carrying it