Features 1The fan runs when plugged to the solar panel. And it can be used alone by plugged into computer USB port. 2When plugged to the solar panel how the fan works depends on the sunlight. When the sunlight is strong the fan works fast. When the sunshine is not strong enough the fan may work low or even does not work. 3There is no rechargeable battery in the fan. If you need the fan works at night you can use a power bank. 4The solar panel can be used separately as a power bank to charge your mobile phone. 5Portable and lightweight suitable for traveling self-driving tour camping hiking and other kinds of outdoor activities. Specification Features: The fan runs when plugged to the solar panel. And it can be used alone by plugged into computer USB port. When plugged to the solar panel how the fan works depends on the sunlight. When the sunlight is strong the fan works fast. When the sunshine is not strong enough the fan may work low or even does not work. There is no rechargeable battery in the fan. If you need the fan works at night you can use a power bank. The solar panel can be used separately as a power bank to charge your mobile phone. Portable and lightweight suitable for traveling self-driving tour camping hiking and other kinds of outdoor activities. Specifications: Condition: 100% Brand New and High Quality Material: Iron Color: Black Fan Size: Approx. 22.5 x 24cm / 8.9 x 9.4inch Solar Panel: Approx. 21 x 16.5cm / 8.3 x 6.5inch Working Current: 0-865mA USB: USB2.0 Weight: Approx. 930g Package Included: 1 x 8inch USB Fan 1 x Solar Panel