About this item

• 【One for Two USB Fans】Compared with a single fan, the USB fan with one by two is the latest update, which can cool electronic products from different angles at the same time, with greater efficiency, large air volume, external hard drive box, smartphone, game console, PC and other electronic devices. The device can achieve the effect of heat dissipation in seconds.
• 【4cm Compact Design】Fan size: 4 * 4 * 2.5cm (without metal frame), compact and lightweight design, can be used in small spaces such as computer host and router. You can also put it on a desk or computer to cool electronic products in the small space at the top. Note: The 4cm fan is small and the number of revolutions increases to achieve the heat dissipation effect, and noise will be generated during use.
• 【Plug and Play and 3 Adjustable Speeds】USB powered, plug and play, with speed switch, there are 3 wind speeds to choose from, wind speed L: 4000/M: 4800/H: 550 RPM +/- 10% (×2), noise: L: 23 / M: 25.2 / H: 27.3 dB Noise and volume. air air air can be reguldepending on the environment of use or purpose. Two fans can be connected to the USB cable and work simultaneously to improve efficiency.
• 【Durable & High Quality】40mm fan adopts high quality double ball bearing motor, the service life is twice that of ordinary fans, and it can work continuously for a long time. Equipped with metal frame and finger protection device to prevent accidental injury during operation.
• 【Widely Applicable】It is not only suitable for heat dissipation devices such as PCs, routers and hard drives, but also for AV equipment, game consoles, etc.Just connect a device with USB port to start cooling, no wiring is needed.