... USB line, external transformer, also can put four AA batteries with 1.5 V.2,LED lights have colorful color;LOGO ... let buyer purchase with confidence! ♥Goods damage in transit, we will be responsible for all. Let you worry-free, buy at ease!♥ Fair ... and we responsible for return shipping. Superiority-High quality products with competitive priceCustomer' logo, artwork, availableIf you have any question, ...