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 4/8/16/32/64GB 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.Technical Support We provide lifetime support, just to ensure that every customer can get a satisfactory service. If you have any problems using the recorder, please refer carefully to our user manual or the instructional video in the