1. NOISE REDUCTION: Professional upgrade of three-core sound processor, sound quality is clearer, perfect restoration, a strong sense of scene, in a complex sound environment, filtering unnecessary noise, so that the noise is silenced, allowing you to enjoy super lossless ultra HD. 2. SILENT RECORDING: The entire recording process without sound or light flicker, can be used in special circumstances, to achieve the true silence of the recorder, to achieve the true meaning of effective recording. 3. DUAL MICROPHONE: Voice recorder built-in dual microphone, the middle is a directional microphone, capturing sound from the front, a noise-canceling microphone, 360-degree all-round recording and intelligent filtering of noise, retaining the main sound source, truly professional noise-canceling all-round recording. 4. TIMED RECORDING: Timed recording is based on actual needs, preset the time to start recording, at that time the recorder will automatically open the recording function. Suitable for use in certain special conditions. 5. MUSIC PLAYBACK: Digital voice recorder perfect support for MP3, WMA music format playback, just download the song file to the root directory, regular all loop, random, directory loop, directory playback, single song repeated playback. Item Type: Digital Voice Recorder Material: ABS Highest Speaker Output Power: 1W Recording Output Format: WAV Playable Music Formats: MP3, WMA, Etc. Display Screen: 128x64 Organic Light Emitting Diode Display Built-in Polymer Lithium Battery: 380mAh Color: Silver 1 x Voice Recorder 1 x Headphones 1 x Charging Cable 1 x Instruction Manual