Stimulate your curiosity: This plasma sphere also give you a cool science like atmosphere. You'll get firsthand physics knowledge experience and having a blast. Please kindly be advised that the plasma ball is only powered by the included USB Cable Touch & Sound sensitive: The plasma globe has two different interactive modes, it not only follow your touch with multi-colored lights, but also respond to the loud music (80db or above). sparks dance in sync with the loud music Convenient USB-Powered: This plasma nebula lightening ball is only powered by the included USB cable, It's very convenient for you to use (Suitable for all 2.0 USB interfaces or above) . Just power the plasma ball on USB interface power receiving equipment and watch it flicker and flare.Please kindly be advised that the product is not rechargeable. the USB is needed as a charging cord and must be attached to work Unique and Great Decoration: This plasma ball is a perfect way to add a burst of color to decorate your bedroom, living room, office, car, or somewhere else. Please kindly be advised that battery is not supported to power the plasma ball Perfect for Parties: The Plasma lamp are great for your parties! It will respond to sounds 80db and up. create an awesome atmosphere everybody will love. Please kindly be advised that only A plasma ball and a usb cable are included in the package, no adapter plasma ball