Description: This is a mini portable fan powered by USB solar panel and it can also get electricity from USB devices. It's very easy to use and carry. Come and have a try! Specifications: Color: Black Solar Panel: Material: Monocrystalline Silicon Power: 5.2W/6V Operating Current: 0865MA Application: Charger for power bank, MP3 or other electronic products Feature: Size: 210165MM/8.27"6.5" Mini Fan: Material: Metal Power Supply: USB Charging Size: 9.05 5.5 3.14in USB Cable Length: Approx. 90cm/35.4in Weight: Approx. 920g Package included: 1 Solar Panel 1USB Fan Notes: Please allow 01 inch error due to manual measurement. Thanks for your understanding. It can only work in the sun if you do not power it through the USB port.