iTour-Pop Portable Rechargeable Speaker for iPod, Sansa, Zune, iPhone 5, 4S, 4, 3GS, 3G, BlackBerry, HTC EVO, DROID, Samsung Galaxy S3, 2, LG Optimus G, and more (Color Option: Black) Color Option: Black. Compatbile with iPhone models, iPod, iPad, Samsung Galaxy S3, S2, MP3 players, Notebook, Smartphones and more Incredible sound magnification. Clean and clear sound audibility. 360 degree expansion sound field. Easy connectivity for all audio devices. Built-in rechargeable Li-ion battery and play up to 6 hours of music. Integrated cable management and storage. 3.8 watt digitally amplified speaker.