Sony ICD-PX370 Mono Digital Voice Recorder with Built-In USB, 4 GB Memory, SD Memory Slot, 55 Hours Recording & Amazon Basics AAA Performance Alkaline Batteries [Pack of 20] - Packaging May Vary

Record MP3 audio quickly and simply, high-speed USB direct connection for quick file transfer

Optimised voice recorder reduces ambient noise for clearer recordings

Scene select lets you optimise settings for music, meetings and more

4 GB built-in memory, expandable memory capacity with SD slot - the 4 GB memory stores up to 59 hours 35 minutes of recording (MP3 128 kbps stereo)

Pack of 20 AAA Alkaline 1.5 Volt Batteries

Improved anti-corrosion components and new zinc composition give the batteries a 10-year, anti-leak shelf life

Designed to provide reliable and lasting performance for both high and low drain devices

Unique Japanese technology enables better performance after storage, over-discharge, and high temperatures