Description: Small and compact design allows easily carrying anywhere.Great gift for kids, friends, girls. Features 3 wind speeds adjustable to meet defferent need, simply press the power button to adjust the speed. Designed with lanyard for wearable purpose, the shell is made of silicone material, resistant to falling. 500mAh rechargeable built-in battery support for up to 2.5 hours continous working time through USB Cable with computer, mobile charger, power Bank etc. This mini fan is a must-have to keep you cool in summer when you are reading, doing sports, camping, office, home, dorm, study, library, games. Specification: Material: Plastic+Silicone Rated voltage: 5V Charging time: 2 hours Working time: 1-3 hours Size Chart: 7x9cm/2.76x3.54inch Package Includes: 1 Piece Wearable Personal Fan 1 Piece USB Cable Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!