Whether you're recording an interview or a lecture, the Sony ICD-PX240 Digital Voice Recorder helps you to accurately capture audio. Plenty of recording space The ICD-PX240 lets you capture MP3 recordings, which can be played back using the 300 mW speaker. With 4 GB of memory built in, you'll be able to record up to 1043 hours of audio. You have options to organise, protect and delete files and folders on the recorder to keep your recordings organised with this convenient dictaphone. Record for longer The ICDPX240 is powered by two AAA batteries, and a long battery life of up to 32 hours means you'll be able to record plenty of audio before you'll need to change the batteries. Perfect for study or work, the Sony ICD-PX240 Digital Voice Recorder provides a reliable way to record audio.