The OLYMPUS Voice Trek DM-720 is a high-performance voice recorder with 4GB of internal memory and the ability to record in PCM and MP3 formats. - Brand: OLYMPUS - Model: DM-720 - Features: PCM, MP3 recording - Storage: 4GB internal memory - Accessories: Instruction manual - Features: Voice Trek series - This product has undergone a basic operational check, but full functionality is not guaranteed. Therefore, it is considered as junk. Thank you for viewing.