This speaker provides surround sound effects. Stick it onto different objects such as carton, box, umbrella, tin, calendar, window and etc, the object is capable of producing wonderful sound. It is small and light, easy to take it anywhere. It has dual power supply ways, USB and battery. You can enjoy quality music outside with it. It goes beyond the resonance effect of traditional speaker, it can make some objects into high quality speaker. Moreover, the sound effect will be different when you stick it onto different objects. It will bring you distinctive listening experience.