Designed to quietly cool Xboxs, Playstations, Rokus, Apple TVs, receivers, modems, routers, DVRs, computers, phone,pad and other audio video electronics Multi-Speed Controller Inline switch enables you to optimize fan speed for various applications. Can be powered through USB ports found behind AV electronics and consoles. Silicone Rubber Feet Absorbs noise and surface friction caused by fan vibrations. Unused pieces can be detached to reduce overall height for tight spaces. Black Metal Grill Black metal grill on both sides, prevent injury to your hand and keep cable without damage by blade. Double Ball Bearing The double ball bearing has a service life of 65,000 hours Kits Using a screwdriver, connect plates and screws can easily connect the two fans together for a better use experience. DIY 1. The combination of two fans on the same side can double the air volume and get a better heat dissipation effect. 2. The combination of the converse sides of the two fans can realize one-in and one-out cooling circulation air ducts at the same time, which can extend the life of your products. USB FAN 40X10MM-Single USB FAN 40X20MM-Single USB FAN 80MM-Single USB FAN 120MM-Single USB FAN 140MM-Single DC12V FAN 120MM-Dual Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.2 out of 5 stars 95 4.3 out of 5 stars 133 4.6 out of 5 stars 677 4.6 out of 5 stars 666 4.6 out of 5 stars 677 — Price $9.99$9.99 $9.99$9.99 $9.99$9.99 $11.99$11.99 $14.99$14.99 — no data Fans Size 1.57x1.57x0.39in 2.04x2.04x1.61in 3.1 x 3.1 x 1.4 in 4.7 x 4.7 x 1.4 in 5.5x5.5x1.4in 4.7 x 4.7 x 1.4 in Fan Speed 4000-4500-5000RPM 6500-8000-10000RPM 1600-2100-2600RPM 1000-1250 - 1500 900-1200-1400RPM 1500-1800-2300RPM Max Airflow 4.31CFM 8.71CFM 33 CFM 56 CFM 69 CFM 175.1CFM (Each Fan 87.55 CFM Lowest Noise 28.9dBA 31.3dBA 19.41 dBA 19.3dBA 22.2dBA 27dBA Voltage DC 5V DC 5V DC 5V DC 5V DC 5V DC 12V Speed regulation ✓ ✓ ✓ ✓ ✓ ✓ Power supply interface USB port USB port USB port USB port USB port DC port Applications (Can by laid flat or stand upright) phone, pad,Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics USB FAN 40X10MM-Dual USB FAN 80MM-Dual USB FAN 120MM-Dual USB FAN 120MM-Dual+Adapter USB FAN 140MM-Dual+Adapter DC12V FAN 140MM-Dual Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 56 4.6 out of 5 stars 426 4.6 out of 5 stars 666 4.7 out of 5 stars 39 4.6 out of 5 stars 119 4.5 out of 5 stars 8 Price $16.99$16.99 $14.99$14.99 $18.99$18.99 $22.99$22.99 $24.99$24.99 $25.99$25.99 Fans Size 1.57x1.57x0.39in 3.1 x 3.1 x 1.4 in 4.7 x 4.7 x 1.4 in 4.7 x 4.7 x 1.4 in 5.5x5.5x1.4in 5.5x5.5x1.4in Fan Speed 4000-4500-5000RPM 1600-2100-2600RPM 1000-1250 - 1500 RPM 1000-1250 - 1500 RPM 900-1200-1400RPM 1200-1400-1900RPM Max Airflow 8.62CFM (Each Fan 4.31CFM) 66 CFM (Each Fan 33 CFM) 112 CFM (Each Fan 56 CFM) 112 CFM (Each Fan 56 CFM) 138CFM (Each Fan 69 CFM) 199.98CFM (Each Fan 99.99 CFM Lowest Noise 28.9dBA 19.41 dBA 19.3dBA 19.3dBA 22.2dBA 28.5dBA Voltage DC 5V DC 5V DC 5V DC 5V DC 5V DC 12V Speed regulation ✓ ✓ ✓ ✓ ✓ ✓ Power supply interface USB port USB port USB port USB port or 100-240V AC Outlet, Includes Wall Adapter USB port or 100-240V AC Outlet, Includes Wall Adapter DC port or 100-240V AC Outlet, Includes Wall Adapter DIY Connect Plate NO NO ✓ ✓ ✓ ✓ Adapter NO NO NO ✓ ✓ ✓ Applications (Can by laid flat or stand upright) phone, pad,Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics Receiver, DVR, Router, Modem, Xbox, Playstation, and other Audio Video electronics