DC 11.1Vac, 55.5 wh,300W DC motor Chargeable function slide switch: Off-Cool-High Setting with concentrator with base and with adaptor battery pack with 6 Lithium batteries inside to provide 5000mAh working time at Cool Setting: 3.7 4 hours. working time at Heat Setting: 16-20 minutes . rechargeable time:3.5-4 hours Voltage:11.1Vac,55.5Wh Packing size:10.3in 5.9in When the product is not working, there are possibilities: The product does not have enough power. Please charge the product for 4 hours before using it. Please feel free to contact us if you have any other questions.? Perfect gift: This versatile hair dryer is an ideal gift for your wife or daughter. An ideal gift for a mother, girlfriend or daughter. Ideal for birthdays, New Years, Christmas, Valentine's Day, Mother's Day and many other holidays. ?HIGH QUALITY: One-touch switching hot and cold air, enough to meet your requirements for beauty and personal hairstyle ,The hot-air can be blown for 16-20 minutes. But if you only use cold-air, it can last 3.7-4 hours. ?Healthy design concept: Differing from the domestic ac hair dryer, the dc hair dryer designed powered by lithium polymer batteries.has no electromagnetic radiation produced by the heating coils.When the constant current go through the products, there is no electromagnetic diffusion, the wind is mild and harmless, and Will not have a bad influence on the body. ?Superior performance:5000 mAh large capacity lithium battery perfect protection for battery life, 300W power to achieve 2000W strong wind effect ultra-high power detachable air nozzle, DC charging hole .And we control the every steps in manufacture to make sure the high quality product to our customers. ?PORTABLE AND CONVENIENT: A unique design for this hair dryer, Without the restraint of a cord, usage is no longer constrained by the power outlet.powered by battery and wireless, light weight and portable.perfect for traveling, outdoor camping, hiking, swimming, painting testing, Pet care ,child care ,etc.