1.The case is made of high strength zinc alloy with drop resistance.2.Professional recorder chips was adopted, support high-definition nondestructive linear recording 1536 Kbps.3.One Contact voice recording, support voice operated recording. 4.Integrated voice recorder, MP3, walkman as a whole.5.Multiple play functions such as repeat, all tracks and A-B section replay function.6.This recorder has a high- fidelity built-in speaker, voice can. 7.Super capacity battery enable ultra-long time recording.8.Support automatic voltage detection and protection functions, automatic shut off after 2 minutes standby to save power.9.Enter password to start, protecting information in the recorder. 10.Support USB 2.0, convenient to upload and download voice and music.11.Support play speed adjustment.12.Support TF card to expand the memory, maximum 16GB. Specifications Outline dimension: 100*36*12mm Display screen: 128x64 LCD Screen Disk capacity: 16GB Net weight 98g Recording format: WAV /MP3 Expansion card: TF card (maximum 64 GB) Recording mode: WAV MP3 Music format: MP3, WMA, FLAC, APE, OGG Interface type: USB2.0 Operating temperature 0C to 45C Power supply: Built-in lithium polymer batteryBattery capacity: 1430mAh color:gray Material:plastic + metal Package Includes: 1 x 16GB digital recorder 1 x USB cable 1 x microphone 1 x headset 1 x audio cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.