Logitech UE Ultimate Ears Mini Boom Wireless Bluetooth Speaker Purple (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 Add a Second Speaker: Wirelessly connect two UE MINI BOOMs together in stereo via the UE MINI BOOM app to double up the awesomeness with even huger sound Party Longer: The rechargeable lithium-ion battery pumps out up to 10 hours of party-driving beats Better Wireless: Stream music from any Bluetooth enabled device from up to 50 ft.; 50% farther than most other Bluetooth speakers Music Everywhere: It is the perfect companion for your on-the-go lifestyle-ultra-compact design, simple controls and a crystal-clear speakerphone