Phineas and Ferb Portable Rechargeable Speaker with Carrying Case for MP3 Players/iPhone/iPad, DF-M63 2-in-1 cable has a USB plug for charging the speaker and audio plugs for connection to an audio source so you can charge the speaker while listening Vacuum bass design provides surprising volume and bass response in a small space-saving stereo speaker system that fits in your hand Built-In rechargeable battery Convenient carry pouch with cute character graphics Power and charging LED indicators