Inside, you can slot a tray of watch battery-sized weights, which pop in and out to adjust the thing to a suitable level, up to 30 grams.

ENGADGET: Genius Gila gaming mouse hands-on Hands-on

The Explorer's battery-operated keyboard is located on a tray table that folds out of the recliner's left arm.

FORBES: Ten O'Clock Tech: The Explorer E-cliner