The structure of these fans is unique and fashionable. Equipped with a brush and slot-less motor to ensure the high winds and long-life, this USB rechargeable fan has an Intelligent control system for reliable performance. That's not all, this lightweighted rechargeable fan is fully functional and user-friendly. It uses international standard 18650 capacity lithium batteries that can be recycled and incur a low cost. This one is undoubtedly a professional portable fan that lives up to its design, with simple appearance and firm structure. The product can be purchased at a reasonable price from our online store.