High-Speed Turbine FanThe Jet Fan mini features a powerful turbine design, reaching up to 36,000 RPM for efficient air circulation and cooling Versatile FunctionalityThis multi-functional handheld fan doubles as a dust blower and wind machine, perfect for various applications Long-Lasting Battery LifeEquipped with a 3000mAh lithium battery, it provides up to 13 hours of operation on low speed for extended use Stepless Speed ControlThe fan offers smooth, sliding speed adjustment, allowing you to fine-tune the airflow to your preference Premium ConstructionCrafted from aviation-grade aluminum alloy, this fan combines durability with a sleek, professional appearance Portable DesignIts compact, handheld form factor makes it ideal for on-the-go use, whether at home, office, or outdoors Specifications: Battery Type: Lithium-ion Battery Capacity: 3000mAh Maximum Runtime: 13 hours (on low speed, theoretical) Input: 5V/2A Speed Control: Sliding adjustment, stepless speed regulation Body Material: Aviation aluminum alloy Maximum Rotation Speed: 36,000 RPM Operating Voltage: 3.4V - 4.2V Package included: 1 x Fan 1 x Charging Cable 1 x English Manual