Dedicated Record Button makes recording fast and simple because you need only to press it to start and stop the recording.
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
A microphone port allows connecting external high-end or specialized microphones.
A stereo microphone allows to record audio files or movies in stereo without an external microphone.
You can set your device to automatically record whenever sound above your designated level is detected.
The device has a filter to reduce background noise.
When Pre-Record mode is activated, sound is buffered for five seconds prior to the moment when the Record key is depressed so you don't miss a word or note.
The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.
You can record lectures, music, notes, etc., directly onto an SD card, which provides more storage flexibility.
Newer USB versions are faster and have better power management.
With a standard mini jack socket, you can use the device with most headphones.
You can use the A-B repeat feature to mark the beginning and ending of a particular passage of a recording that you want to listen again and again.
Some recorders allow you to edit and delete audio in recordings in playback.