Thermaltake Massive EXTREME Notebook Cooler; Laptop up to 18in; 800~3500 RPM; 48.5 CFM; 120mm Cross Flow Fan; Ambient Temp Sensor; PWM Scroll Wheel; 2 Stage Height & Angle Adjustment; CL-N023-PL12SW-B

【Cross-Flow Cooling】 Capable of speeds ranging from 800~3500 RPM and easily adjusted by the integrated scroll wheel, the 120mm cross-flow fan is able to deliver up to 48.5 CFM of airflow.
【Sealed Chamber】 To contain and direct the airflow the Massive EXTREME takes advantage off high-density memory foam to created a sealed chamber for optimal performance.
【Perfect Fit】 Capable of accomodating laptops up to 18in in size, and equipped with 2-Stage height and angle adjustment finding the perfect fit is a breeze.
【Ambient Temperature Sensor】 Inside the sealed chamber the temperature sensor provides a simple read out for the airflow temperature to keeep you informed.
【Powered USB】 The rear of the cooler features a powered USB hub to provide three additional USB 2.0 ports and one additional USB 3.2 (Gen2) Type-C Port.