This is cordless hair dryer with hot wind and cold air, it is with built-in lithium battery, can be rechargeable when it is out of power, this wind is powerful, can be took for travelling.?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 with the 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 Exquisite 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. ?Chargers with different countries Choose Working time?we have four types of chargers with different specifications to you choose: American standard, European standard, Australian standard, and British standard. This item battery needs charging 2-3 hours to fully charge. Can be used about 10-35 minute, when fully charged, reasonably match temperature and air speed for longer use. Also this item of the highest temperature can be up to about 176 F. ?600 watt High Power Cordless?This item can be up to 600Watt Power, and the ultra high power can be up to 650Watt, air speed and temperature can be matched 12 kinds modes, and the air speed and temperature are all with 3 gears.