Olympus J300

The J300 is a cassette recorder from Olympus' Pearlcorder series.  The recorder features a built-in 2.5mm microphone and a built-in dynamic speaker for recording and playback on the go.  It includes a voice-activated Variable Control Voice Actuator feature which automatically records once it hears sound to save memory and battery life.  The J300 has a volume control for adjusting the recording volume as well as a tape counter to quickly find important audio.  It also has fast playback and a dual tape speed function for recording 3 hours of audio on a 90-minute cassette.  The recorder operates on two AAA batteries which provide up to 17 hours of recording time and has a suggested retail price of $35.