This is rechargeable hair dryer, not to plug in to blow wind, just fully charged and use. Get rid of cordless constraints and use it anytime, anywhere.Cordless Unlimited Apply to: This product is ideal for people to use, such as: go to travel holiday to use, business to use, blow sweat after exercising, blow some items on outdoor camping, blow hair and skin after swimming,blow pet skin and hair, dry baby skin stay away from eczema and so on. As a Power Bank: It is also with a USB output saving energy interface,and the battery pack can be as a mobile power source for charging the mobile phone, power bank, MP4 and other digital products. Unique Design and Gift Box Packaging: This item with blower and battery separate design, portable size using and easy to carry and store, travel carry does not take up space, and also with cordless design, so ultra-low close to 0 radiation, care people's health, and you can do other things at home while blowing hair. And the item also with a gift box, and more upscale, take the item as a gift, that also one best high technology gift choice to your friends. Dual Charging Mode: this item package will with a USB wire and a charger. you can use the charger to charging it, also you can take the USB wire to charing it. Battery can be charged directly, or be putted into base to Charging. 330 Watt Power HOT WIND COLD AIR: This item power is about 330watt, and ultra high power can be up to 450Watt, item with double 3 gears adjustable, hot and cold air are available.