· Please note: This fan is USB powered and does NOT include a battery; it must be plugged into a USB port to operate. · USB Powered: Universal compatibility allows you to plug into laptops, power banks, PCs, or any USB outlet for cooling anywhere. · Quiet & Powerful: Enjoy a refreshing breeze up to 4.6 m/s with noise levels under 45 dB even at full speed. · 3-Speed Airflow: Choose from low for gentle breeze, medium for steady flow, or high for powerful cooling by simply pressing the button. · Flexible Air Direction: The fan head rotates 180° vertically and has a hangable base to direct airflow exactly where you need it. · Slim & Compact Design: Weighs less than 4.3 oz and folds neatly for easy storage in your desk, bedside, or travel bag.