Olympus 4GB DM-901 Digital Voice Recorder

The Olympus 4GB DM-901 Digital Voice Recorder has 4GB of internal memory and an SD/SDHC/SDXC memory card slot that allows you to expand the recorder's storage capacity by up to 64GB. It features built-in Wi-Fi as well, which works with the Olympus Audio Controller app for iOS or Android mobile devices. Together, you can use your smartphone to remotely control the recorder's main features. This means you can place the recorder right next to the speaker and control it from the back of the room using your smartphone and the app. You can even start and stop recordings remotely so you only record what you need. Plus, you can use pictures captured from your smartphone as visual index markers.