Sony PX370 Digital Voice Recorder with USB + 32GB Card + Microfiber Cleaning Cloth E4SNPX370

Features Record MP3 Audio Quickly and Simply Record in MP3 audio quickly and easily. MP3 files are compressed but require less memory, making them better for recording long lectures or meetings. Long Battery Life enables up to 57 hours recording Record up to 57 hours of audio (MP3 128 kbps) with exceptional battery life that makes it possible to record for long periods of time Built-in USB Connector lets you plug in to your PC Transferring files to or from your computer is fast and convenient. Just plug the PX370 straight into a free USB port for an immediate connection, no USB cable needed. Audio Voice Rec reduces ambient noise for clearer recordings Want to record someone talking? Turn on Auto Voice Recording the the PX370 will optimize audio capture settings for vocal frequencies. The result is a purer recording with reduced background noise. And when you listen back to the recording, Clear Voice technology cleans up the signal even more for improved clarity. The 4GB memory stores up to 59hrs35m of recording Scene Select lets you optimize settings for music, meetings, and more Choose from four scene pre-sets (music, meeting, interview, dictation) to optimize the audio settings Expand your memory with the micro SD card slot The PX370 comes with 4 GB of memory built-in, which gives you a max recording time of 59hrs 35m when recording in stereo at MP3 128 kbps. You can expand your memory capacity with a micro SD card for up to 32 GB2 of additional memory, equivalent to over 535 hours of recording time. Specifications Recording and Playback Times: Maximum recording time (Built in Memory): MP3 192 kbps (Stereo): 39 hours 45 minutes MP3 128 kbps (Stereo): 59 hours 35 minutes MP3 48 kbps (MONO): 159 hours Operating Humidity: 25-75 Operating Temperature: 5-35 C Storage Humidity: 25-75 Storage Temperature: -10 - 45 C DC-in: 3V Outputs: Headphone (Stereo mini jack), recommended impedance: 16 USB Ports: Type-A, High-Speed USB microSD: Yes Memory: 4 GB Power Requirements: Two AAA Alkaline dry batteries: 3.0 V DC Two AAA ni-mh rechargeable batteries: 2.4 V DC Frequency Range: MP3 192 kbps (Stereo): 50-20.000 Hz MP3 128 kbps (Stereo): 60-16.0000 Hz MP3 48 kbps (Mono): 50-14.000 Hz Speaker Dimensions: 0.79in (20mm)