PCMag has posted a review on the Gyration Ultra Cordless Optical Mouse

Feeling tied down by your mouse? The $80 (street) Gyration Ultra Cordless Optical Mouse frees you. This unique device uses a dual-axis gyroscope to detect a wide range of motion. Within 25 feet of the USB radio-frequency (RF) receiver, moving the mouse pointer on-screen is as simple as waving your hand in the air. Should you want to sit at a desk, though, the Gyration Ultra also acts as an optical mouse.

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