1、MP3 Magnetic Recording Device: The recorder supports one key recording, DSP intelligent noise reduction, timestamp function, built in OTG connection cable. Long recording, suitable for lectures, meetings, interviews. 2、Strong Magnetic Adsorption for Portable Recording: Equipped with magnetic ring and multiple circular large magnets, small size and light weight, can be easily carried in wallet or pocket for instant use. 3、Convenient Management: With the function of time stamping, the recording files are named in date and time format, which is convenient to find and manage the files, and you can play the recording on the computer or use headphones. 4、One Key Recording: No annoying buttons, just press the switch to start and save recording. Use the included headphones for playback, volume adjustment, and file switching, and can also be used as a USB storage device. 5、DSP Noise Reduction: Built in highly sensitive noise reduction silicone mark, with DSP noise reduction technology, captures human voice directionally, professional WAV delivers perfect recording quality and real stereo experience. Item Type: Voice Activated Recorder Material: Zinc alloy + electronics Color: Black Battery: 300mAh lithium battery (built in) 1 x Voice Activated Recorder 1 x Wired Earphone 1 x Charging Cable 1 x Portable Lanyard 1 x User Manual