Features: 1ENCRYPTED PRESERVATION: Voice recorder can be intelligently encrypted for recording files, which cannot be opened without a password to prevent data theft. 2NOISE REDUCTION: Digital voice recorder built in professional grade powerful noise reduction chip, to bring you a clearer recording sound quality and playback. 3BUILT IN TIME CHIP: MP3 recorder built in time chip, and computer synchronization time, recording time and Beijing time synchronization, easy to organize. 4INCREASED EFFICIENCY: Voice activated recorder improves efficiency and saves memory. With sound, start recording, no sound stop recording. 5EASY TO USE: Digital voice activated recorder does not require cumbersome operation. Record on, save off, and convert recordings easily. Item Type: Digital Voice Recorder Material: Aluminum Alloy Recording Format: WAV Music Format: MP3 WMA WAV Charging Time: 1h Built In Polymer Lithium Battery: 380mAh Package Included: 1 x DigitalVoiceRecorder 1 x Instruction Manual 1 x Charging Cable 1 x Earphone