Keep cool indoors and out by simply plugging in the Cool Fan 3 into your portable device. Featuring low power consumption, soft blades and 3 connector options; Micro USB, 8Pin (lightening) and Type-C connectors to work with Android, iPhone and iPads. It allows for use with most of devices on the current market. You just need to plug this fan attachment right into your smartphone for instant relief. Soft blades help to provide quiet operation. Imprint on one blade as shown, you can customize your logo and message to promote your branding.