This USB Voice Recorder is definitely one piece of spy gear that you should consider. This two-in-one flash drive and recording device that makes your audio recording discreet and you can record up to 40 – 320 hours of audio. Remember the old days when your only option was that crappy cassette tape recorder? Now you'll be able to hold a massive amount of audio in a small flash drive that fits right in your pocket! Whether in a library or at school, conversations and lectures are now able to be captured on this cool little tool. With memory able to capture up to 40 hours of audio (and a massive 160 hours with the upgrade), you will never miss an important event. This wireless USB is your very own audio recording system at the easy flick of a switch.