4000 mAh Battery, 6-18 Running Hrs A FAN SUITABLE for BABYThe summer is scorching, are you still worrying about your baby being hot and unable to sleep? The new jellyfish fan with comfortable sleeping style is a good helper for babies to sleep peacefully. The wind is soft and cool, bringing you dreamlike coolness. SAFE DESIGNThe concealed turbine fan blade and the small network port are used for safe design, so you don't have to worry about getting your hands caught. A small fan suitable for babies. The baby is safer, and the mother is more at ease. SATISFY THREE NEEDSA small deformed jellyfish fan that can meet three needs. It can stand on the desktop, be carried anytime and anywhere in the hand, and be wound and hung on a bracket. The delicate silicone material is deformable, and the portable fan is very suitable for travel, strollers, umbrellas, desks, outings, outdoor sports, indoors, offices, and camping. THREE-SPEED ADJUSTMENTThere are three high, middle and low wind speeds for adjustment, The first gear is for sleeping wind, the second gear is for natural wind, and the third gear is for strong wind. The bladeless fan is equipped with the latest professional brushless motor, Unique turbo blade design engineered to be 25% Quieter,close to 28dB. LONG BATTERY LIFELarge-capacity battery, long battery life. With 4000mAh lithium battery and USB cable, it can work for 10-18 hours after fully charged. Charging is more convenient, you can use all with USB interface, power bank, computer, car USB interface can be used for charging.