Only 0.25cm Mini Voice Activated Recorder Spy Built-in Magnet Small Digital Hidden Audio Recording Sound Listening Device Micro Dictaphone STTWUNAKE

--Built-In Magnet, Can Be Adsorbed On Magnetic Metal, Such As Table, Chair.Only The Size Of A Beverage Bottle Cap.0.37in0.90in0.98inStart Recording After Turning On The Power, And Save The Recording After Turning Off The Power, Which Is Easier To Operate.One-click recordingDSP noise reduction recordingWith the 8-core DSP active noise reduction chip, the recording is clearer. 8-core noise reduction chipActive noise cancellationAGC automatic gain controlThe AGC algorithm equalizes the audio volume of the push terminal to the ideal position, eliminates the core problems of low volume, popping, and solving the core problems such as the fluctuation of different people's voices after multi-person mixing, and outputs high-fidelity original sound with DSP noise reduction chip. AGC is an automatic gain compensation function, AGC can automatically adjust the volume of the microphone, so that the participants receive a certain volume level, will not be due to the distance between the speaker and the microphone change, the sound has the disadvantage of loud and small sound, with DSP noise reduction chip output high-fidelity original sound. Intelligent voice- activated recordingAutomatically record when there is sound to save storage space as much as possible, and also save time to play back and filter useless clips Audio recordingSilent pauseIn recording ...Smart timestampsBuilt-in time chip, after synchronizing time, recording files are named by time, which is convenient to find and manage files Automatic saving when powered offWhen the system detects that the battery is low, the voice recorder will automatically save the file in advance, and then automatically shut down to ensure that the recording data is not lost Low battery level detected Save the file automatically ShutdownAfter being fully charged, it can record continuously for about 20 hoursFile viewing and management OTG phone connectionEasily connect your phone via the OTG adapter, which can view and manage files on the phone, or act as a temporary USB flash drive to store files Note: OTG adapter is required to connect the mobile phone Product specificationsType-C interfaceON/OFFLanyard opening9.5mm23mm25mmModel color battery Recording time