OTraki USB Fan 120 mm Digital Temp Controller 3 Speeds 1500 RPM PC Cool Cooling with Metal Grill for Laptop TV Box AV Cabinet PS5 Router Quiet Efficient Durable Compact Lightweight Portable

【Digital Temperature Controller】This 120mm USB fan features a digital display thermostat for precise temperature monitoring and control. Range: -50–110°C; Accuracy: ±0.1°C; Input: DC 220V; Output: 1500W. Two working modes (heating and cooling) with adjustable start/stop temperature, calibration, and delayed start. 【3 Adjustable Wind Speeds】This computer fan USB includes a 3-speed controller (low, medium, high) for flexible airflow adjustment. Air Volume: 50/53/56 CFM; Speed: 1000/1250/1500 RPM – choose the ideal level for your operating environment. 【Long Lifespan】This 120mm case fan uses imported double ball bearings for exceptional durability and extended service life. Its compact, lightweight design fits narrow spaces, and the square shape allows flat or upright placement. 【Metal Grill Protection】This PC cooling fan features metal grills on both sides to prevent finger contact and wire damage during operation. Corner joints include cable protection glue for wear resistance, enhanced safety, and reliable daily use. 【USB Powered & Versatile】Size: 12 x 12 x 2.5 cm. This CPU fan is ideal for cooling PC, laptop, TV box, receiver, AV cabinet, PS5, PS4, projector, and router. Use it anywhere with a USB power source for convenient, on-demand cooling.