GOgroove AudioMORPH High-Powered Portable Phone Speaker System for Samsung Galaxy S III , Note 2 / HTC Droid DNA , One X , X+ / iPhone / Motorola RAZR MAXX / Nokia Lumia 920 & Any Device With a 3.5mm Jack Port A compact, portable, and powerful speaker system with easy-to-use onboard volume and power control. Unique morphing design with adjustable rotating speaker head allows you to direct your sound Compact design with a 3.5mm stowaway cable provides great portable sound for your MP3 player, smartphone, tablet, PC , iPhone , iPod or any device with a 3.5mm headphone jack Conveniently powered by the included USB Cable or with 3 AAA batteries for maximum portability Guaranteed Quality - 3-Year Manufacturer's Warranty