In practice? It works, but it isn't a gaming mouse. The trackball is great for quickly jumping to a specific point in an audio file or hitting "Play" on your transcription software. But if you plan to do heavy spreadsheet work, keep your regular mouse nearby.
It uses a . The microphone is a unidirectional dynamic capsule. In plain English: It blocks out the keyboard clatter, the office AC, and the coffee shop noise next door. philips speechmike 5272
However, for younger users who grew up with touchscreens, the slide can feel a little stiff at first. It loosens up nicely after a week of heavy use. The 5272 features a high-resolution trackball on top. In theory, you can control your cursor without taking your hands off the mic. In practice
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