The design of this product is unique in that it can be dismantled and used in two ways, both as a fan and as a mobile phone charger. The fan has multiple vacuum-washed discs and is gently placed on the back of the phone to complete the attachment, which can be gradually pivoted away with a little pressure from the edge of the power supply. The fan is detachable and includes two sizes to choose from, 4- for high airflow and 2- for compactness and portability. It comes with type-c output fast charging, supports Huawei Super Charge, and VOOC flash charging. And it has good noise control, and low-decibel sound can be applied to several scenarios, such as a quiet office, and lunch break. Customized logo is available. Made from plastic material, measuring 8.74*4*1.14 inches, this custom usb multifunctional rechargeable mini fan. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Compact size, lightweight, easy to carry.