Describe: USB Powered Cooling Fan that can Work 24 Hours: the portable fan is powered by a 1.2m USB cable (not removable) and can be connected to any device with a USB port. Such as: PC/laptop, power bank, USB wall charger (not included), car charger and any other USB enabled power source. You can simply connect it and work all day or all night. (Note: the fan does not contain batteries). ,you can simply plug it into the power supply for the whole day or night working. 3 Speeds Adjustable & Rotatable Small Fan: The fan head of the electric fan can rotate vertically 360 degrees, and you can tilt it to your desired angle to cool down quickly.The desktop fan is designed with 2 anti-slip rubbers on the bottom to reduce vibration and increase friction, making it more stable and preventing sliding even when working at high speeds. Mini desktop fan: Its main features include USB power supply, 3-speed wind settings, 360 rotation, and can be powered by devices with USB interfaces such as computers and adapters. You can repeatedly press the button on the back of the fan to switch from low, medium, high to off. The first stage: 3.9m/s. Class 2: 4.9m/s. Class 3: 5.9m/s. Even in places without air conditioning, it can keep you cool. Compact Size and Application: This is a 4.8-inch mini fan with dimensions of 12.3*12.3*5 cm (4.8"*4.8"*1.9"), weighing 169g, light and space-saving. This portable fan is perfect for offices, desktops, dorms, homes, bedrooms, libraries, camping, travel, or anywhere you need to cool off. The noise level is lower than 50 decibels, providing you with a quiet enjoyment. Perfect GiftThis small USB fan is exquisite and cute, functional and practical, available in pink, gray and blue, packed in a gift box, can be used as a Mother's Day gift, children's gift, birthday gift, Valentine's Day gift, New Year's gift, Christmas gift, Thanksgiving gift. Best for elders, parents, girlfriends, boyfriends, grandchildren, friends, colleagues and children. mini desktop fan is also very desirable as a summer gift. Why Choose USB Desk Fan? Small size saves space Thick outer layer, durable Built-in brushless motor for strong airflow but ultra-quiet 360 rotation in the vertical direction, accurate output of wind Bottom with anti-skid pad,stable and anti-vibration Package includes: Product Size: 4.8*4.8*1.9 inch Net Weight: About 169g 0.37 lb Speed Mode: 3 speed Input Interface: USB Input Voltage/ Current: 5V-1A Length of USB Cable: 3.9 Feet Package includes: 1 x USB Desk FanUSB cord included 1 x User Manual