Professional audio recorder with perfect recording quality and true stereo experience. Advanced chip and noise reduction allow you to enjoy crystal clear HD recording and playback in lessons, lectures, conferences, presentations, interviews, forensics and more. 2400 hours 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 password lock also makes your recorder a security guard (set on your computer). MINI AND EASY-TO-USE VOICE ACTIVATION RECORDER. This mini recorder is lightweight, portable, convenient and easy to put in your pocket or palm; good 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 carefully view our user manual or the instructional video in the "Videos" section, or contact us for free support via our email, we will provide satisfactory solutions to all questions, comments and problems. IMPORTANT. Please update the date and time (set time stamp) 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 playing WAV format files. If you have any operation problems, please read the user manual carefully or watch the instructional video in the "Videos" section. Some tools are in EXE format, which may not be supported by Mac computers. Windows computers use