Solar Panel Powered USB Fan 4 Inch 5W Cooling Ventilation for Outdoor Traveling Home Office Descriptions: Use the USB power plug for power supply. PC/NC power supply can be used. Super quiet design. 360 degree elevation angle adjustment. The wind is comfortable and close to the body, and it is suitable for all seasons. The USB fan can be used for notebook computers, desktop computers and daily office use. 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. Specification: Name :Solar Mini Fan Solar Panel Power :5W,6V Panel Feature: Waterproof Panel Application: Charger for powerbank, MP3 and eletronic products Fan Size: 4 inch Fan Material: Iron Fan Power :USB Plug 5V USB cable length :120cm Warm Tips: 1. USB Power adapter is not included. 2. It is recommended to use 5V voltage over 1000MA transformer. Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. There is no rechargeable battery in the fan. If you need the fan works at night, you can use a powerbank. Included: 1 x Cooling Fan 1 x Solar Panel Product Name:4-inch USB solar fan 5.2w 6v solar panel fan Package Contents:1x solar panel 1x fan Item color:Multi-color Material of the product:Metal Product Dimensions:One Size