Usage Tips:Item Type: MP3 Voice Recorder Material: Zinc Alloy Recording Format: WAV Playback Format: MP3 WMA WAV Built In Polymer Lithium Battery: 150mAh1,NOISE REDUCTION: Digital voice activated recorder uses 8 core DSP active noise reduction chip, recording more clearly. Lossless sampling of recordings. 2,VOICE ACTIVATED RECORDING: MP3 voice recorder automatically record when there is sound, save storage space, but also save time to play back filtering useless clips. 3,BUILT IN TIME CHIP: Digital voice recorder built in time chip, synchronized with the time, recording files named after the time, file management at a glance. 4,POWER FAILURE AUTO SAVE: When the system detects a lack of power will automatically save the file before shutting down the computer to ensure that the recording data is not lost. 5,SCHEDULED AUTOMATIC RECORDING: Just set the recording start time and end time, you can achieve automatic recording, you can also set the periodic recording (such as: single, daily, etc.).1 x MP3 Voice Recorder 1 x Earphone 1 x Charging Cable 1 x Instruction Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.