Digital Audio Recorder - Universal - Voice Activated Audio Voice Recorder Highlights Universal Voice Activated Audio Voice Recorder Voice Activated Audio Voice Recorder Product is shipped based on main image color or size from the product page. Voice Activated Digital Voice Recorder MP3 Player Unstopped USB Pen Built In HD Microphone | Digital Voice RecorderFeatures: 1.Small size is easy to hide, long standby time, keep recording, never reveal.Loop recording, when the recording data is full of memory, it will automatically delete the first recording Data and will continue to loop recording. Strong magnetic adsorption, free of installation, close fit, can be installed anywhere as needed. One-button recording does not need to be turned on, simple and fast, push right to start recording. push left, to stop and save recording. Professional noise reduction and zero noise.