Feature:Provide a comfortable ergonomic gaming and working experience, meet your needs when using laptop home/ office, work/ games.It is a durable yet light pad that will fit any situation and makes it a great accessory for your laptop.Product name: Laptop Cooling Pad USB Poweredcolor: blackProduct Dimensions: 16.1 * 11.3 * 1.1 inchesMaterial: Aluminum alloy + environmental engineering plasticsOther product parameters:Noise: 28 dbA,Rated voltage: 5 VDC,Input Voltage:3.25 Wrated current: 0.65AFan speed: 1100 +/- 10% RPM,Interface: USB2.0/1.1Fans: 4You are welcome to come to our store for shopping, if you have any questions, please feel free to contact us, we will reply as soon as possible within 24 hours. Thank you!