Features : The case is made of high strength zinc alloy with drop resistance.Professional recorder chips was adopted, support high-definition nondestructive linear recording 1536 Kbps.One touch voice recording, support voice operated recording and recording monitoring.Support timer recording, time setting is more reasonable.Support MP3/WMA/FLAC/APE music formats.Multiple play functions such as repeat, all tracks and A-B section replay function.Integrated voice recorder, MP3, walkman as a whole.This recorder has a high- fidelity built-in speaker, voice can be played out and shared.Super capacity battery enable ultra-long time recording.Support automatic voltage detection and protection functions, automatic shut off after 2 minutes standby to save power.Enter password to start, protecting information in the recorder. Support USB 2.0, convenient to upload and download voice and music.Have bookmark positioning function.Support play speed adjustment.Support OTG function. (Note: connect with mobile support OTG)Support landline telephone recording.Support TF card to expand the memory, maximum 64GB.Support timer switch, no need to worry about the electricity consumption. Specifications: Display screen : 128 × 64 LCD ScreenDisk capacity : 8GB/16GBRecording format : WAV /MP3Expansion card : TF card (maximum 64 GB)Recording mode : MIC/LINE-INMIC/LINE-IN/Phone-call recording WAV recording : Sound quality : Storage time（8GB）  : Storage time（16GB）1536 kbps      : 12 hours                  : 24 hours1024 kbps      : 18 hours                  : 36 hours 512 kbps       : 36 hours                  : 72 hoursMP3 recording : Sound quality : Storage time（8GB） : Storage time（16GB）128kbps        : 145 hours                : 290 hours 32kbps         : 581 hours               : 1162 hoursMusic format : MP3、WMA、FLAC、APE、OGGInterface type : USB2.0Operating temperature : 0°C to 45°CPower supply : Built-in lithium polymer batteryBattery capacity : 1430 mAhOutline dimension : 100 mm × 36 mm × 12 mmNet weight : 98 g Included accessories: - 1 x USB cable- 1 x audio cable- 1 x earphones- 1 x lavalier microphone