Olympus Digital Voice Recorder VN4100

The VN4100 packs in 256MB of memory giving you more than a staggering 144 hours of recording. Like it's predecessor's, the VN4100 is perfect for everyday note-taking, recording messages and interviewing, delivering great sound quality, outstanding versatility and user friendly features in one small and stylish package. The VN4100 comes complete with a ME-52W noise cancelling microphone enabling clearer recording in noisy environments. 

Features:

• 256MB of memory (for up to 144 hours recording in LP mode) 
• Easy to use: Large LCD, central control dial and function buttons 
• Versatile: Choose from four recording options (XHQ/HQ/SP/LP) 
• Long-lasting: Two AAA batteries provide up to 25 hours of operation 
• Easy to manage: Group files together using multiple folders 
• Fast or slow playback: For easy note taking 
• Voice activation (VCVA) and indexing 
• Alarm and Timer Recording available 
• Integrated loudspeaker

Specifications:

• Product type: Digital Voice Recorder
• Recording Format: CELP+ADPCM
• Recording Media: Internal memory: 256 MB
• Sampling Frequency:
  - XHQ: 16.0kHz (300Hz ~ 7.2kHz)
  - HQ: 16.0kHz (300Hz ~ 7.2kHz)
  - SP: 12.0kHz (300Hz ~ 5.4kHz)
  - LP: 7.0kHz (300Hz ~ 3.1kHz)
• Power Supply: 2 x AAA batteries OR 2 x NiMH rechargeable batteries
• Folders: 4 (A/B/C/D), Up to 100 messages per folder
• Index: YES, max 10 per folder
• Recording Times:
  - XHQ: 720 min
  - HQ: 1440 min
  - SP: 2850 min
  - LP: 8670 min
• Dimension: 102 x 39 x 19.5mm
• Weight: 66.5g (including battery)
• Manufacturer Warranty:2 Year Warranty