This means you can simply say what you want recorded and the device will do the rest, saving you time and effort. Portable ... a wide range of purposes, from recording lectures and meetings ...
If recording audio on a separate device, you will need to use a clapper board. A clapperboard, sometimes called a slate, is a portable board with a hinged stick on top. When using the clapperboard ...
Chen H, Lowe AA, Bai Y, Hamilton P, Fleetham JA, Almeida FR. Evaluation of a portable recording device (ApneaLinktrade mark) for case selection of obstructive sleep apnea. Sleep Breath.