Item Type: USB Voice Recorder Material: ABS Recording Format: WAV Recording Mode: Records when powered on, saves when powered off Built-in Polymer Lithium Battery: 110mAh VOICE ACTIVATED: This mini recorder supports intelligent voice-activated recording, recording when there is sound and pausing when there is silence, effectively avoiding wasted storage space. NOISE REDUCTION: DSP digital noise reduction technology automatically adjusts received sound waves, filtering and weakening ambient noise for clear recordings. ONE-BUTTON RECORDING: Simple one-button design eliminates complex operations, perfect for quick recording in emergency situations. TIME STAMPING: Built-in time chip automatically synchronizes the time, naming recording files with the year, month, day, hour, minute, and second for easy organization. SECURE AND CONVENIENT: Integrated encryption technology ensures files cannot be accessed without authorization. USB connector plugs directly into your computer, no data cable or adapter needed, functions as a USB flash drive for quick data import. Includes: 1 x USB Voice Recorder, 1 x User Manual