Battery capacity: 300mAh Endurance: 2-3H Rated power: 0.5W Input power: DC 5V 0.5-1A. Mini pocket fan with strong ventilation: 2 speeds available according to your needs. High speed silencer; Made with 2 TPE blades, won't hurt your hands when working; round switch on the right side, exquisite small handheld fan, cool you down in the summer. Mini fan design that can be taken anywhere with you - handheld fans are foldable in two lengths, small, lightweight, compact and convenient to put in your purse or travel bag. The small USB rechargeable fan is portable like a personal fan fully charged in an hour, this small fan can also be charged by a power bank. Red light turns on when charging. Turns off when you're done. Charging time: 2.5 hours. This mini electric fan has 2 speeds: after fully charged, high speed lasts about 2 hours and low speed works about 3 hours. You can enjoy fresh air no matter you are at home or camping, or sitting in front of the computer as a desk fan. Please fully open it to 180 degrees or more after fully charged and the fan will work well. Packaged Quantity: 1 piece