[Brushless engine - Super Power] Hand Type Venture 1-100 provides adjustable speed setting and has a severe turbine design that maximizes the air flow and provides high -speed power for intense cooling. This portable fan quickly refreshes every centimeter of the air at speeds up to 10 m/s, experience instant relaxation from heat 4000mAh battery and rechargeable hand fan, can provide desktop fan up to 12 hours .[ Small body, big energy] This small fan is your savior is a powerful wind strength resistance is long -lasting and it can be adjusted infinitely, small and useful without having to worry about sweaty, wherever you go, take it anywhere, make every moment be cool, pleasant, to enjoy wet life! .[ Intuitive digital display] For travel, this portable fan is equipped with a high -resolution digital display that can show the current wind speed and the remaining battery power, so you no longer need to worry about the remaining power of the fan. When the battery of this mini fan decreases, you can adjust the charging in advance by providing a cool friend on each journey. .[ Small Size] The size of this portable mini ventilator is only 2.52.36.2 inches 0.4 lb, you can put it in your pocket or bag, wherever you go, this hand -type fan can keep you cool, your cooling friend for travel and outdoor sports, also a thoughtful gift for women .[ After -s warranty] Our warranty period is 1 year. During this product, you can us at any time for any problems you encounter when using the product.