Description: Project type: Mini voice recorder; 4GB memory: easy to use, plug and play, support U disk without a drive; Charging time: about 1 hour; Working time: about 10 hours on one charge, up to 96 hours of audio can be stored; Charging: connect the USB interface to the computer; Operation instruction MP3 conversion: when the indicator light is inserted in red and flashing slowly, insert the earphone into it, and then short press the button (-) to switch the MP3 playback mode; Charging for recording: When recording, plug the USB cable into the computer or power source, which means it is charging for recording. When charging, the red and blue lights will flash, and the blue light keeps on indicating that it is fully charged. The total charging time is about 1 hour; Time synchronization: When connecting to the computer via USB, open the drive to run the application SetTime.exe to synchronize the time. Right-click this file to view the properties and recording time; Connect to computer: Insert the USB cable to connect to the computer and find the correct drive to save and open files; Packing list: 1 x Mini voice Recorder 1 x Headset 1 x USB Cable 1 x User Manual Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item,please make sure you do not mind before ordering, Thank you