Specifications: Crystal Clear RecordingBuilt-in DAC decoder; Up to 1536 kbps high quality PCM Linear Recording. Easy OperationThe audio recorder has only one protruding button, that can record/save at one-touch click with eyes closed. Large Battery CapacityMost voice recorders of the same type only 20 to 30 hours, but thanks to the high-capacity rechargeable battery, the recorder can record continuously for 48 hours for 4GB while continuously recording. Compact & PortableMeasuring with 19 * 47mm, the recorder is super lightweight and compact to carry with. MultifunctionalIt can work not only as a voice recorder, but also can be a MP3 with the headphone jack on it. Specifications: Dimensions: 47 * 19 * 7mm Large Memory: 8GB/ 16GB/ 32GB (optional) Battery Capacity: 120mAh Recorded File In: WAM/ MP3 format Recording Format: WAV Interface: USB TYPE C Music Format: MP3/WMA/WAV Music format: MP3/WAV/WMA Sampling Frequency: 48 KHZ Bitrate: 192kbps Packing List: 1 * Voice Recorder 1 * Connect Cable 1 * Earphones