Mini Metal Keychain Spy RecorderThe (2.5*1.0*0.5 inch) design makes it more portable and concealable. It can be placed in your bag or pocket, so you can carry it around and record it at any time. The keychain design means you can easily hang it on your body, bag or notebook. It can be used to record meetings, interviews, business meetings, or for student memory lectures.HQ Recording and Intelligent Noise ReductionThe portable digital recorder have an HQ recording microphone and intelligent dynamic noise reduction, making it easy to enjoy clear recordings and playback. The professional voice recorder uses PCM digital noise reduction technology for noise-free recording and 360 panoramic recording to give you clear natural sound.One-Key Operation & Multi-functional PlaybackOne Touch Recording, press the record button to start recording. You can take it out of your bag or pocket and start recording the right way. You can also save your recordings quickly. The recording date and time settings allow you to see the date and time of the recording. You can split files that have been recorded for a long time for better management.