Stay cool wherever you go with the Turbofan. Designed for efficiency and performance, this compact fan features 100 adjustable speed levels, a powerful 4000mAh Li-ion battery, and a sleek digital display that shows both battery level and air speed.Whether you re working at your desk, relaxing at home, or traveling, this fan delivers a personalized breeze just the way you like it. With an adjustable fan head, up to 8 hours of runtime, and a fast 3-hour recharge.