UGO 15 Watt Portable Wireless Bluetooth Vibration Speaker with Micro SD Card Slot & Hands-free speakerphone for PC / Phone / Tablet / Apple iPod Touch / iPad / iPhone 4 / iPhone 5 / MP3 Player (Silver) 15 watt powerful bluetooth wireless mini speaker with the amazing vibration technology. Experience 360 omni-directional delivers 15 watt sound effects from this tiny speaker! Wireless bluetooth connection up to 32 feet with Built-in Micro SD player! Hands-free speakerphone for convenient phone calls; Includes wireless remote control for easy operation; Rechargeable battery lasts hours of continuous use! 30 days money back guarantee!