Philips VTR5100 Digital Voice RecorderRecording modes : NR / HQ / LPHigh quality recording format : 384Kbps, 128Kbps, 8Kbps Built-in memory 8GB , recording time up to 2160HrsTwo High Quality Built-in Microphones 4 message folders store up to 396 messages (each folder contains 99 messages)D..
SONY ICD-PX470 Digital Voice Recorder4GB internal memory, expandable to 32GB with micro SD
S-microphone system records distant or quiet sounds clearly
Focus and Wide-Stereo recording captures the voices you want to hear
Auto voice recording reduces background noise
SONY ICD-UX570F Digital Voice RecorderRecord in MP3/LPCM with a high sensitivity S-MicrophoneUp to 4GB of built-in storage, expandable via microSD (SDHC/SDXC) cardsAuto Voice Recording reduces background noiseDirect USB built-in for easy connection to PCBuilt-in lithium battery with 3-minu..