【 4-Stage Adjustable Airflow 】 Choose from four wind speeds—2m/s, 3.5m/s, 4m/s, and 5m/s—to suit your preference. Whether you need a gentle breeze or a powerful gust, this adjustable airflow ensures a comfortable and personalized cooling experience. 【 Timer Function 】 Featuring four timer settings (0.5h, 1h, 2h, and 3h), you can program the fan to automatically turn off at your desired time. This energy-efficient feature enhances convenience and reliability. 【 Built-in LED Light & Mosquito Repellent 】 Adjust the LED brightness to your liking with four intensity levels (50Lm, 150Lm, 250Lm, 350Lm). Additionally, the integrated mosquito repellent function allows you to insert a repellent sheet and activate it with a simple press of a button, keeping mosquitoes at bay. 【 Power Bank Function 】 The Max Cooler doubles as a power bank, enabling you to charge USB-powered devices like smartphones and wireless earphones on the go. 【 IPX4 Waterproof & Portable Design 】 With IPX4 waterproof protection, this cooler withstands splashes from any direction, making it ideal for outdoor use. Its 180° adjustable handle offers versatile positioning for support or hanging, allowing you to enjoy cool airflow anytime, anywhere.