General description This USB Desk Fan is a rechargeable, portable, and silent table fan designed for personal cooling. It features a foldable design and multi-directional rotation, allowing you to enjoy a refreshing breeze from various angles. With its compact size, it is perfect for use in the office, home, or game room. Technical specifications Battery: 4000mAh rechargeable lithium battery Battery life: 4-16 hours on a full charge Noise level: Minimum noise close to 20-30dB at speed 1 or 2 Speed modes: Low, medium, high, and fast Rotation: 90° foldable and 120° auto oscillating Installation Can be used on desk counters and tables Wall mountable for space-saving storage Usage Adjust fan speed by pressing the power button repeatedly Unlock the fan by pressing and holding two buttons simultaneously for 2 seconds Use the night light feature on the base for added convenience Other information Removable front cover for easy cleaning of the blades Can be powered through a PC's USB port,