Sound QualityThis recorder has upgraded the microphone with higher sensitivity, allowing you to enjoy sound quality. Mini voice recorder, intelligent one-button control settings, easy to start voice-activated recording and normal recording.Recording Playback FormatThis mini recorder can record crisp and clear sound in 192 KBPS WAV format. The playback format supports MP3 WMA WAV.500mAh Rechargeable Battery The 500mAh rechargeable battery can support about 85 hours of continuous recording time when fully charged (the charging time is 2.5 hours).Strong Magnetic AttachmentProfessional recorder has strong magnetism and can be attached to any iron surface, making your recording easy and secret. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.