The Libratone ZIPP is a wireless portable speaker designed to give you high-end sound, freedom of choice and freedom of movement wherever you are. Setting your music free has never been easier. The ZIPP features a built-in rechargeable battery for playing in your house, at work, outdoors or anywhere. Play music for up to 4 hours wirelessly (AirPlay or Play Direct) or up to 8 hours wired (mini-jack or USB). Blending the luxurious touch of Italian wool with Scandinavian aesthetics, you can even match your home décor with the speaker"s interchangeable wool covers, available in a variety of vibrant colors. Created for use with your Android, iPad, iPhone, Mac/ PC, the ZIPP provides crisp and powerful sound through AirPlay or DLNA. No Wi-Fi? No worries as you can use the Libratone"s Play Direct technology to create a direct connection between the ZIPP and your device, giving you the freedom to take your music anywhere with you. The ZIPP can play wirelessly from Internet radio stations and services such as Pandora and Spotify, as well as integrating with TVs and other home entertainment systems. The ZIPP can also connect directly to any headphone output through the standard 3.5mm input to allow playback from virtually any source. The speaker"s built-in digital signal processing and amplification coupled with ribbon-based tweeters provide a crystal-clear Full Room 360º stereo sound experience. You can also download the free Libratone app to customize the sound of the Loop to suit the acoustics of the room you"re in.