Professional Sound Recorder Sound Recorder with perfect recording quality and true stereo experience. Advanced chips and noise reduction allow you to enjoy crystal-clear HD recording and playback in classes, lectures, conferences, presentations, interviews, forensics, and more. 2400 Hours of Long-Time Recording This recorder's large-capacity rechargeable 3200mAh battery allows up to 365 days of standby, and more than 300 hours of continuous recording after each full charge; the 32GB internal memory can fully store up to 2400 hours of 32kbps recordings. The passcode lock also makes your recorder a security keeper (set up on your computer). MINI AND EASY TO USE ACTIVATION RECORDER This mini recorder is lightweight, portable, convenient and easy to put in your pocket or palm; great to use, press 'on' to save, press 'off' to save. IMPORTANT Please update the date and time (set timestamp) on your computer before using it for the first time. If you cannot play the recording (WAV format), please download/use a player that supports playback of WAV format files. If you have operational problems, please refer to the user manual carefully or view the instructional video in the "Videos" section. Some tools are in EXE format, which may not be supported by Mac computers. Windows computers use Important INFORMATION!! Q2 in the link does not have a magnetic function. Q52/Q70/Q73/Q76/Q500 with magnetic function.