Digital audio recorder - Universal - Mini digital tape recorder, secret dictaphone microphone, small professional hearing aid, digital tape recorder. Highlights Universal Mini digital tape recorder, secret dictaphone microphone, small professional hearing aid, digital tape recorder. Mini Digital Voice Recorder Enabled Microphone Dictaphone Professional Small Digital Listening Voice Recorder Product Description Multiple Functions-click Recording RecordingHD Noise Reduction Records Automatically When Power Lost Flash Drive ModeVoice Enabled Recording RecordingCryption FunctionMP3 Function Mini size: Exquisite appearance small size without sound and light during recording Height 35mm width 34.5mm thickness 10mm Simple and convenient operation: Record sound after power on Save file after power off When sound ambient temperature is less than 30 decibris, the recorder stops recording. When the ambient sound is above 30 decibels, the recorder starts recording power and memory again. The recording file is named after the time, which is convenient for users to find the file Save files automatically when power is lost When the system detects the battery is low, the voice recorder will automatically save the fileand then turn off the power to avoid losing important files.