Scosche BTBTLMBL Mini Rugged Weatherproof Wireless Bluetooth Portable Speaker, Blue Experience remarkable audio with the boom BOTTLE mini Designed to bring entertainment to the outdoors, this wireless Bluetooth mobile speaker is weatherproof and durable, allowing you to take your music virtually anywhere Dual 40 mm drivers and passive subwoofer produce impressive audio and improved acoustics SHOP WITH CONFIDENCE: Backed by Scosche's 12 month worry-free warranty and friendly customer service