Digital Voice Recorders with Playback : Built-in microphone (capacitive) recording, built-in high-quality speaker, mobile hard disk storage function, LINE IN audio direct recording function, exquisite appearance design, exquisite and unique appearance design, and comfortable feel.Large Memory Voice Recorder Spy Hidden: Driveless USB flash drive function, mini 5pin universal interface, high-speed data transmission, automatic shutdown and saving function for recording at low power, so that files are no longer lost, automatic recording gain function (AGC), recording function, built-in large capacity memory, making it easy for you to record.Lectures Activated Audio Recorder with Multiple Language Functions: support telephone recording function, support voice controlled recording function, support listening while recording function, support multiple languages, simplified/traditional Chinese, English, Japanese, etc.Exquisite Small Voice Recorders : It adopts professional recording scheme of Moment Force, professional WAV format recording, one-touch recording, LP.HQ.SHQ (long-term recording, high-quality recording, etc.) recording sampling, exquisite appearance design, exquisite and unique appearance design, and comfortable feel.Support for Multiple Playback Formats: using a Blu-ray display for easier operation, intelligent voice controlled recording, effectively saving storage space, reducing blank and useless files, professional WAV format recording, high-quality audio quality, bit rate up to 384kbps, support MP3, WAV format playback.