ELUTENG Dual Cooling Fan Whisper Quiet 80mm 3 Adjustable High Speed with Dual 40mm USB Fan with 3 Speeds Adjustable 5V PC Fan

2 in 1 Dual Row 80mm USB FanELUTENG dual row 8cm USB fan, USB powered, plug and play, can place the fan horizontally or vertically, ideal for cooling Router/Rog Ally/Laptop/TV box/Receiver/Mobile phone/PS5/PS4/Projector Instrument/Hard Drive Enclosure. 2 fans are connected together and run at the same time, the cooling effect is better.; Durable & Quiet Adopting hydraulic bearings and imported double ball bearings, it is very durable and has a long service life. The noise level is 25.6 dB (weak) to 32.5 dB (strong), so you can use it flat or upright in a quiet place such as library or study.

In addition, the noise does not increase with the use time and it can work continuously for 24 hours.; 3 Adjustable Wind SpeedsThe latest upgraded 80mm silent fan has a 3-speed speed controller (low, medium and high) to control the wind speed.
The speed is: 2050/2400/2750 rpm (×2) and the air volume is: 23.9 / 27.9 / 31.98 CFM (×2). Depending on the operating environment, you can choose between different wind speed levels.; Multiple ProtectionThe bottom is equipped with 4 removable rubber shock absorbers for more convenient use, safer, more stable and reliable. Metal grids are used on both sides to prevent the blade from hurting your fingers and damaging the wire when working. The corner joint is equipped with cable protection glue, which is wear-resistant, not easy to break, and is safer and more reliable to use.;
Wide PracticalitySize: 3.15 inch( 0.8 x 0.8 x 0.25 cm)(×2);