Coby Aluminum Brick Bluetooth Speaker (Purple) Totally light and Portable, the carry case comes with a handy carabineer to attach it easily to your backpack. Universal Compatibility: All iPods, iPhones, iPads, Samsung Galaxy phones, Android phones, Blackberry phones, MP3 players, CD players, Tablets, PC and laptops, and More. Full, High-Definition Sound: Enjoy an impressively full sound quality and robust bass. Up to 6 hours of play time from the rechargeable lithium-ion battery. Up to 33 feet of operation range for ultimate wireless freedom.