The Holmes 4" USB Powered Adjustable Head Personal Desk Fan in black (model Holmes 32510033) is a compact and convenient cooling solution for any workspace. With a USB power source, this fan is easy to use and energy-efficient. The adjustable head feature allows you to customize the airflow direction to your liking, making it a versatile and practical addition to any home or office setting. Standing at 4 inches tall, this desk fan is designed for personal use and can help keep you comfortable and focused on your tasks throughout the day.