Motorola DROID RAZR (Verizon) Portable Speaker Docking Station (BLUE) Powerful balanced sound from two custom-tuned speaker drivers!!! Portably designed, protective case for hours of music wherever you go!!! Compatible with any audio device with a 3.5mm jack!!! Sown on travelers clip for hooking onto any luggage on the go!!! Requires 2 AA batteries (not included)