UE BOOM Wireless Bluetooth Speaker - Black (Certified Refurbished) This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look & work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty & may arrive in a generic white or brown box.Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon. Make Some Noise: UE BOOM is the 360-degree speaker that drops bold, rich resonant sound in every direction with exceptional bass size. Up for Anything: UE BOOM has a versatile, go anywhere shape that is designed to be spontaneous Double Up: Wirelessly connect two UE BOOMs together in stereo via the UE BOOM app to spread the sound and pump up the volume. Please refer to compatbility information present below. Life-Resistant: Colorful acoustic skin with plasma coating makes UE BOOM water and stain resistant. SPEAKER IS NOT WATERPROOF. RUBBER SEAL, CHARER CUBE AND INSTRUCTION ARE NOT INCLUDED.