Rechargeable Battery :No need to constantly replace batteries. Simply recharge the fan for extended use. Bladeless Design :Safe for all ages. No risk of injury from rotating blades. Three Speed Settings :Adjust the speed of the fan to suit your needs. Choose from low, medium, and high settings. Portable and Lightweight :Take the fan with you wherever you go. Its compact size and lightweight design make it easy to carry. Features: porous air outlet, second speed cooling. Hidden turbine design, no jamming. Super endurance, strong wind. Lightweight and compact, hands-free. 4-channel air cavity of turbine concentrating air on both sides, strong wind gathering, and the wind gathering effect increased by 99% Specification: Size:16*4*6.2cm Material: Plastic Gears: 3 gears weak medium strong Weight: 248g Packing: Carton Includes: 1X holder fan 1X data cable Note: 1. During use, do not hang the fan around the neck for too long to avoid discomfort. 2. Be careful to keep an appropriate distance and avoid getting objects such as hair, ears or clothing into the fan. 3. Do not immerse the fan in water or put it in a humid environment to avoid damage to electrical components and moisture.