" The Libratone Zipp gives you complete audio freedom to play your music wirelessly anywherebr Libratone Zipp works like an acoustic instrument filling the entire room with sound The tweeters and midrange drivers disperse sound in different directions reflecting it off the walls and providing 360 Degree soundbr The rechargeable battery in Libratone Zipp gives you complete audio freedom The speaker plays up to 8 hours wired or up to 4 hours wirelessly per chargebr Play Direct is wireless sound straight out of the box with no need for a Wi-Fi network or prior setup Just press Play on your iPad iPod iPhone or computer to start streaming your musicbr High-end components such as ribbon-based tweeters digital signal processing and digital amplification provide premium sound br Libratone Zipp (Raspberry Red)"