Item Name: Laptop Cooler Material: Plastic+ Metal Voltage: DC 5V Current: 0.9A Bearing Type: Oil Bearing Radiator Type: Air-Cooled Features: 4 Fans, Dual USB Ports, Adjustable Angle, Cooling Pad Laptop Accessory Size: 14.9" * 10.7" * 0.98" (Approx.) Fan Speed: 2400 RPM ±10% RPM Noise level: < 20DB Compatible Notebook Size: 12~17 inches Voltage: 5V DC USB Port: 2 Speed adjustment: 6 Model