Two speed modes and multi-directional rotation: 90° foldable and 120° automatic swing table fan, allowing you to enjoy the cool wind in a comfortable place. The personal fan can be adjusted between low, medium, high and fast modes, enough to meet your different cooling needs. Press the power button repeatedly to set the appropriate fan speed. USB Desk Fan & Easy Cleaning: This fan comes with a built-in 4000mAh rechargeable lithium battery, which can last for up to 4-16 hours of use when fully charged. The fan can also be used through the USB port of a PC/power bank/USB charger or other USB device. Perfect fan for office, home, office, game room. Removable front cover makes cleaning the blade easy. Foldable wall-mounted design: This USB fan does not take up much space and features a convenient wall-mounted foldable design for easy storage and transportation. Use it on office counters and tables, or mount the fan on the wall to save space. Cool your home office and stay productive with a personal desktop fan that saves space, promotes air circulation and keeps you comfortable. Low Noise and Air Circulation: The minimum noise of the portable fan is close to 20-30 decibels speed 1 or 2, loud but quiet so you can stay cool without disturbing your rest and work. This desk fan features a powerful and efficient brushless motor that easily circulates air in Gear 4 mode, helping to improve cooling efficiency when used with an air conditioner. Perfect for your office, bedroom. [Child Safety Lock & Soft LED Light]: Press and hold both buttons simultaneously for 2 seconds to unlock/lock the fan, if successful, a beep will sound. Important: Please unlock the table fan when using it for the first time. You can lock it if you want to store it in your suitcase for travel. This electric fan comes with a night light on the base.