UE BOOM Wireless Bluetooth Speaker - Red (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Lithium Batteries are included, they are built into the device and are non-removable Make Some Noise: UE BOOM is the 360-degree speaker that drops bold, immersive sound in every direction Up for Anything: UE BOOM has a versatile, go anywhere shape that is designed to be spontaneous Life-Resistant: Colorful acoustic skin with plasma coating makes UE BOOM water and stain resistant