Features: One-key recording, switch between the two modes at will.  High-definition noise reduction, clearer recording sound quality and playback.  Intelligent voice control recording, audio recording, silent stop.  Time stamp recording, convenient for file sorting.  File encryption protection to ensure data security.  Slim body, light and portable.  High-definition long-distance, stereo sound pickup technology.  Support OTG connection and online playback.  The recording is divided and saved automatically.  Large capacity U disk function.  Charging time: 1 hour;  Continuous recording: 20 hours;  Continuous playback: about 8 hours;  Recording method: one-key recording;  Memory capacity: 4G, 8G, 16G, 32G;  Sampling rate: 48KHZ;  Body material: Zinc alloy one-piece casting;  Number of bits: 192KBPS;  Battery: Lithium battery;  Recording format: WAV;  Product specifications: 39 x 30.5 x 6mm;  Music format: MP3/WMA/WAV;  Product weight: 10g;     Package Included: 1 x Voice Recorder;  1 x Data Cable;  1 x Earphone;  1 x User Manual