Super long endurance and strong airflow: Thanks to the advanced technology, it lasts 14 hours with 2 speed settings, 21 hours with 1 speed after about 3 hours full charge. The maximum speed of the fan is 3400 rpm, which is sufficient for personal use to keep you cool.Foldable design and mini size: the foldable design makes it easy to carry and store. In addition, this rechargeable fan with the capsule shape (1.3 x 1.3 x 4.7 inches, weight: 4.4 oz) can hide the fan blades, small and easy to slide into your pocket and handbag.USB fan and fast charging: you can use a wall charger, laptop or power bank to charge. And the hand fan only takes 2-3 hours to be fully charged.Battery capacity: 2000mAh/3.7VFull time: 2.5 hours.Working time: approx. 4 hours.Charging input: 5V/1.0A.USB output: 5V/1.0AColour:green, pink, white (optional)Product size: 114 x 38 x 36 mm Product weight: 115 g.Package includes:2 x mini fan2 x charging cable.2 x manual