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