One button recording: This mini voice recording device supports one key recording, with wire control deletion function and playback LED light indication. Continuous recording for 35 hours, standby for 30 days. Loop overlay recording: The mini pendant voice recorder automatically splits the recording and loops cover recording. PCM recording 1536Kbit, optional voice recording 50DB. Intelligent voice control: The mini MP3 recorder features intelligent voice recording to effectively save memory space and battery power. Equipped with a professional sound noise reduction chip to restore true and clear sound. With time stamp: The pendant recorder supports MP3, WMA, WAV playback, with fast forward and rewind playback. Recording file names are automatically named with time stamps. Zinc alloy material: The digital voice activated recorder is made of zinc alloy, sandblasted black, with 5D glass and hanging rope hole. It serves as both a functional recorder and a stylish accessory.