Features: About this item 1. The internally configured 900mAh large-capacity polymer lithium battery can work continuously for 5 hours. 2. The Type-c interface of USB charging, no longer worries about the problem of insufficient power. 3. The flexible clip design helps you easily clip the fan to the chest, waist, backpack, and other places. 4. The wind direction that can be adjusted will brings you a cooler experience. 5. The cleverly designed parts structure reduces the volume of the fan as much as possible, making it more convenient to carry. Product Description: Specification: Name: Whirlwind Portable Clamp Fan Material: ABS+electronic components Color: white, pink, green Size: approximately 746550mm/2.912.551.96in Battery capacity: 900mAh Lithium battery charging time: approximately 1 hour Battery life: approximately 5 hours Charging method: USB Charging interface type: type-c Input: DC 5V/1A Power: 2.1W Number of gears: 3 gears low, medium, high Packing list: portable fan*1 Data cable * 1 instruction manual * 1