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The Lenovo IdeaPad U310 and U410 ultrabooks are expected to go on sale in May for $799 and up. The company introduced the 13 and 14 inch ultraportable laptops a few months ago, and now it looks like they’re stopping by the FCC for regulatory approval on its way to store shelves.

You can find some product details and a user manual for the two new ultrabooks at the FCC website.

The Lenovo U310 measures 13.1″ x 8.9″ x 0.7″ and weighs 3.7 pounds. It has a 13.3 inch display, 4GB of RAM, and 2.5 inch, 7mm drive bay for a hard drive or solid state disk.

The laptop features 2 USB 3.0 ports, 1 USB 2.0 port, and a 3 cell, 46Whr battery.

Meanwhile the Lenovo U410 has a 14 inch display, 8GB of RAM, and either a 2.5 inch, 9.5mm drive or a 2.5 inch, 7mm drive. This larger model has 2 USB 3.0 ports and 2 USB 2.0 ports and a 4 cell, 59 Whr battery.

The U410 measures 13.5″ x 9.3″ x 0.8″ and weighs 4 pounds.

Both laptops have 1366 x 768 pixel displays, and Intel’s upcoming Ivy Bridge processors, which explains why the Lenovo IdeaPad U310 and U410 won’t ship until May.