Notebook Cooler Pad w/1 Large Built-in Silent Fan (Clear) Notebook Cooler Pad with 1 Built-in 184 mm Fan General Features: Clear design USB 2.0 interface (2 foot cord length, approximate) Powered by USB bus Silent fan One (1) large built-in 184 mm Fan Dimensions: 1.75 x 11.75 x 11.25-inches (H x W x D, approximate) Regulatory Approvals: FCC CE RoHS compliant