Features: [Strong Power]Portable fan with 30-page turbo, 4-way super wide air inlet, can feel more powerful airflow. [Cooling]Upgraded simulates natural winds and makes the wind more concentrated, giving you irresistible coolness. [3 Speeds]Gentle wind, natural wind, and strong wind. You could adjust this rechargeable travel fan freely according to your need. [Eco-Friendly]Support USB powered. 7-8 hours working time depends on speed,can also be charged by computer, laptop, power bank, car charger, etc. [Useful]85 * 54 *31mm mini size, portable fan can be used while hanging on neck, convenient carry to travel, hiking, running, shopping, cooking, BBQ, picnic, etc.