Specification: Shell Material: Zinc Alloy Size: Approx.92 x 50 x 10.5mm Display Screen: 1.9inch 128*64 LCD Screen Disk Capacity: 8GB Recording Format: WAV /MP3 Expansion Card: TF card (maximum 64 GB, Not included) Recording Mode: MIC/LINE-IN Music Format: MP3, WMA, FLAC, APE, OGG Interface Type: USB 2.0 Headphone Jack: 3.5mm, two-channel Operating Temperature: 0°C to 45°C Power Supply: Built-in lithium polymer battery Battery Capacity: 850mAh Features: The case is made of high strength zinc alloy with drop resistance. Professional recorder chips was adopted, support high-definition nondestructive linear recording. One touch voice recording, support voice operated recording. Integrated voice recorder, MP3, walkman as a whole. Multiple play functions such as repeat, all tracks and A-B section replay function. This recorder has a high- fidelity built-in speaker, voice can. Super capacity battery enable ultra-long time recording. Support automatic voltage detection and protection functions, automatic shut off after 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. Support TF card to expand the memory, maximum 64GB. Package Included: 1 x Digital Voice Recorder 1 x USB Cable 1 x User Manual Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display.