The Ci100 is a portable speaker that allows you to take your music anywhere while keeping your iPhone or iPod charged. Dock and play the latest iPhone or iPod with the Lightning connector and enjoy clear, crisp stereo audio. This ready-for-travel, portable speaker can be powered with 4 AA batteries for up to 8 hours of playtime. Line-in also allows you to connect any device with a standard headphone jack for additional playback flexibility.