Mini Cell Phone Fan use High quality TPE material, flexible, soft, stable,durable and safe,quiet when it working. Approx 3.55inch x 1.57inch x 1.57inch, the length of the fan blade is about 1.47inch.light weight--easy to carry,Plug and Play. Design for smartphones with type-c charging port and apple port,NOT for micro USB port. Widely Used for apple, iPad, Android Smartphone,Tablet. Small two parts allowing you to take out it easily whenever you want to use it. Your logo is welcomed to imprint.