Enables you to listen to your favorite songs out loud, and also serves as an alarm clock, FM radio or weather display when you download the no-charge app. Made for iPod touch (1st, 2nd, 3rd and 4th generation). iPhone 4, iPhone 3GS, iPhone 3G and iPhone. Charges while listening to your music. Adjustable 30 pin connector. An app can be downloaded at no charge so the speaker can receive FM radio, dual alarm clock, weather showing the temperature