Description: Button control: You can control the button to adjust the mode, including regular voice recording, voice control recording and power off, also, this recorder is designed with a delete function, convenient for you to use. Voice recording: This kind of recording pen supports ADPCM format recording with 192Kbit technology, the voice control recording is about 50dB, and it can split the recording automatically, saving effort for you. Voice playing: This recording device supports MP3, WMA and WAV play, you can operate it with FF and FR, helping you listen the content easily. Naming: This kind of audio recorder is equipped with timestamp, the recording file is named after time, convenient for you to find out the files you needs. Wide use: This small listening device is suitable for lectures, meetings, interviews and other occasions, recording the important contents. Specification: Material: aluminum alloy. Color: black. Size: approx. 7*2.4*1.9cm/2.76x0.94x0.75inch. Transfer port: USB2.0. Work time: about 500h. Standby time: about 365 days. Capacity: max 64G. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package Includes: 1 Piece Voice Recorder(with 1 Piece Earphone, 1 Piece Cable, 1 Piece English Introduction).