Item Type: Mini Voice RecorderMaterial: ABSRecording Format: WAVPlayback Format: MP3, WMA, WAVBuilt in Polymer Lithium Battery: 120mAhPackage List1 x Recorder1 x Instruction Manual1 x Earphone1 x Charging Cable1VOICE ACTIVATED RECORDING: Mini voice recorder starts recording when there is sound, stops recording when there is no sound, efficient recording and saves memory space. 2TIMESTAMP: Mini voice activated recorder has a built in time chip, which synchronizes the time with the computer, so that the recording time is synchronized with Beijing time, which is convenient to organize and improve the credibility. 3COMPACT AND PORTABLE: Mini voice activated recorder has a fashionable shape, small size and light weight, so it can be worn anywhere and anytime for recording. 4CLEAR SOUND QUALITY: Noise reduction recorder is equipped with a deeply optimized software system, presenting better and clearer sound quality. 5INTELLIGENT PASSWORD PROTECTION: AI intelligent recorder supports the opening of the set password, intimate protection of sound data, security does not leak.