Clear PCM Recording: Adopts upgraded noise reduction microphone and professional recording chip. Captures 1536Kbps quality sound. Recorder with playback function, well designed and user-friendly. Customer service includes live call from experts to provide instructions about this high-quality recording device. We ensure your satisfaction with this product.Compatible with PC: Continuous recording up to 54 hours when fully charged. Recording can be preset to mp3 128kbps, 192kbps or wav 1536kbps format. An excellent recording device for lectures, meetings and conversations.Voice Activated Recorder: This recorder can set the voice decibel to 6 different levels. No matter the volume, as long as the voice decibel is correct, this recorder will only capture the voice of speaking, reducing blanks and whispering fragments.Powerful Function: Can be used as a recorder, USB flash drive and Mp3 player. Newly developed 4 folder storage (A/B/C/D) for file management, making your recordings and other files more organized. Many other useful features like password protection, A-B repeat, auto recording, bookmarks, it is an ideal recorder for lectures, meetings, speeches and interviews.Fast File Download: V618 can easily transfer files to computer. Rechargeable recorder with fast charging, suitable for students, teachers, seniors, businessmen, writers and bloggers.