Metal shell, compact and voice recorder. Continuous working time of 70 hours, no need to worry about power outage. Support voice-activated recording, variable speed playback, timestamp, A-B repeat. 60M voice capture, acoustic noise reduction, intelligent adjustment. Support stereo music playback. The digital voice recorder uses polysilicon dual microphones and 360 surround recording. Bring you a different recording experience. 5D digital noise reduction technology restores clearer recordings. Users can directly delete files on the machine. The compact and exquisite body makes it convenient to carry it with you. One-click quick recording, push the recording button up to start recording, and pull the recording button down to save the recording. Simple and easy to use, you don't even need to read the instructions. This voice recorder supports voice-activated recording. When the ambient sound is 40 decibels, the device automatically starts recording. When there is no sound around the device for a long time, the device enters sleep mode to save power and storage space. The name of the recording file is your recording time, which is convenient to classify and find the recording. It supports music playback in WAV, MP3 and other formats, arbitrary A-B point repeat, and variable speed playback. You can also use it as a walkman, which is definitely a good helper for your life, study, and office. So we recommend that you use 32GB to prevent insufficient memory when you want to copy songs or carry files with you after recording. Memory:B:16g Colour:Black Material:Metal Package Contents: 1 * digital voice recorder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.