2-in-1 USB cooling fan 80 mm - Two 80 mm fans powered from a single USB cable, both operate at the same time. Ideal for cooling a wide range of equipment in tight spaces. - Compatible applications include receivers, AV cabinets, game consoles, PCs, laptops, TV boxes, projectors, and routers. The square design supports flexible placement, either laid flat or stood upright. Performance and control - 3-speed controller lets you adjust fan speed to balance noise and airflow for your environment. - Noise at the lowest setting is 25 dB, with maximum airflow up to 64 CFM across the two fans. Power and safety - Plug-and-play USB powered, no software required. - Two fans require sufficient power; it is not recommended to connect to a USB hub. - Power input maximum 5 V / 1 A. Exceeding this limit may damage the motor. Durability and design - High-quality dual ball bearings provide a service life of up to 68,000 hours. - Lightweight and compact, designed for narrow spaces. The square footprint enables stable placement and the option to lay flat or stand upright. Usage scenarios - Home theater or AV setup: place in a receiver or AV cabinet to help dissipate heat from amplifiers and improve overall reliability. - Gaming and computing: use with a PC or game console to maintain cooler temperatures during long play sessions and reduce fan throttling. - Networking and media devices: cool routers, TV boxes, or projectors in media centers to prevent overheating and maintain performance.