Battery-powered Desk Fan - This desk fan is equipped with a powerful yet energy-efficient 4000 mAh rechargeable battery. Its 15-hour battery life surpasses other desk fans, ensuring you stay cool and comfortable all day long. Rechargeable Desk Fan - For added convenience and ease of use, the BoriYas rechargeable desk fan supports 2A fast charging. It fully charges in just 3 hours, 50% faster than typical small desk fans, for optimal user comfort. 4-in-1 Desk Fan - This USB desk fan also features a robust and durable clip, allowing you to use it as a wall fan. The hanging hole at the base allows you to mount it on the wall. Its integrated LEDs help you fall asleep and provide light when you wake up during the night. Powerful and Quiet Desk Fan - This new 6-inch (15 cm) quiet desk fan features an improved, brushless, silent motor. Its high-performance power supply and motor optimize airflow and ensure smooth, consistent rotation. Quiet operation means it won't disturb you while you work or sleep. Multifunctional and Powerful Desk Fan - This portable desk fan has 5 adjustable fan speeds and a one-button control, allowing you to adjust the fan's power to your needs. The BoriYas portable clip-on fan overcomes the limitations of traditional fans, rotating 360° up and down as well as left and right, distributing cool air in all directions.