Player Features:Dimensions 48 x 28 x 0.5 mmGaryMemory8GB recording format WAVM music format WMA, WAV, MP3 format Recording time about 30 hours Recording method One-click recordingBattery Built-in Rechargeable Lithium Battery Material PlasticThe package includes: 1x JNN recorder, 1x earphone, 1x adapter, 1x USB cable, 1x box, 1x manual.1. The application type is imported into a new generation of chip configuration, with built-in digital noise reduction IC.2. Safety protection and automatic saving after power failure: when the system power is insufficient, it will automatically save the audio files, and then shut down to ensure that everything is safe, tape files3. Practical functions 30 hours of continuous recording, 8GB maximum storage of 100 hours of recording files4. Smart platform supports WMA, WAV, MP3 formats5. Mini size, easy to carry.6. Cancellation of completed recordings, secret setting locks, to protect your privacy at all times.7. Quick one-click recording, one-click saving8. Fashion pendant design, unique.