Feature: 7mm thin and light body, metal material, lanyard hole design, highly sensitive microphone. One-click recording, high-definition noise reduction, power-off saving, U disk storage, file encryption, intelligent voice control, time stamp, mobile phone OTG function (excluding OTG), local deletion, MP3, strong magnetic adsorption. Intelligent time stamp, built-in time chip, the recording time of the recorded video file is synchronized with the time. Automatically save when power off, when the system detects low battery, it will automatically save the file, and then shut down the recording data will not be lost, safe and reliable. Delete locally, bid farewell to cumbersome, unnecessary files can be deleted directly without computer operation. Intelligent voice-activated recording, recording with sound, automatic pause without sound, effectively saving memory space, filtering invalid clips, and reducing playback time. 360° surround recording system, high-sensitivity microphone, recording distance up to 20 meters, you can record it when you hear it. Specification: Name: voice recorder Model: GL-32 Recording format: WAV Bit rate: 192Kbps NSR: 70 dB Frequency: 20Hz-20KHz Body memory: 8GB/16GB optional 8GB recording file storage 48 hours 16GB recording file storage 96 hours Microphone: high sensitivity microphone Wind working time: 15 hours of continuous recording Standby time: 30 days Built-in battery: 150mah Music format: MP3, WAV, WMA Recording method: voice control / manual control Voice control sensitivity: not adjustable Headphone jack: Mini USB Charging interface: Mini USB Size: 38*38*7mm Weight: 13.7g Colour: Black Material: metal bag The package includes: 1 * voice recorder 1 * Lanyard 1 * User Manual 1 * Headphones 1 * USB cable