Features: USB rechargeable double air ducts exhaust fan with 3 speed settings (2200RPM motor) and 1200mAh battery delivers 2 hour runtime, ideal for efficient smokers extraction in electronics repair and soldering applications. Crafted from solid ABS plastic, this 8cm diameter blower features double circular vents and delicate USB powered design with visual charging indicators (red/blue LEDs) for reliable long term operation. Perfect for electronics enthusiasts, DIY hobbyists, and craftsmen requiring clean air circulation during soldering iron use, 3D printing, or small space ventilation tasks. Functional installation adapts to workshops, kitchen range hoods, pet houses, and barbecue stations through compatible 8cm diameter ducts (sold separately) for targeted airflows management. Combines portable electric convenience with professional grades airflows control (low/medium/high modes), making it essential for smokers removal in soldering stations, resin printers, and confined workspaces. Specifications: Material: Plastic Input: USB5V Input interfaces: Type C Speed: 2200rpm USB cable length: 30cm Size: Approx.10x8x11cm/3.93x3.15x4.33inches Battery capacity: 1200mah Style: Normal Model, With Bracket Model(Optional) Package Includes: 1Pc Charging Exhaust Fan note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!