Recording time: about 18 hours at full power (depending on the environment) Storage capacity: 8 GB can store about 90 hours of recording files, and so on!< /p> Battery: Built-in 110MA 3.7V rechargeable lithium battery Charging time: about 2 hours (red light is on when charging and blue light is on when fully charged). Volume: 65208MM Sampling Recording Fast Recording: 48kHz Bit Rate: 192KBPS< /p> Recording file format: WAV Weight: 14 grams 1. Operation instructions: Use it as a U disk when powered off, and use it as a voice recorder when powered on. 1.1 Please dial the switch, the red light will be on for a long time , then flash several times, then turn off and start recording; the light will not light up during the recording process! 1.2 To finish recording, please turn on the switch, the red light will flash once, the recording will be stopped and saved;< /p> 1.3 When the computer is off, connect to the computer's USB port, and the mobile disk can be read, saved, deleted and other functions after clicking the file; 1.4 This machine has a time synchronization function, and the "ownership" of the recording file is displayed as the current recording time How to use the time synchronization tool time: connect to the computer, there is a compressed file in the memory of the recorder. Double click on this zip file. Then click on a program file with EXE suffix inside. Registering again after that will synchronize your computer's time. This must be done on the computer itself, and the synchronization is invalid before we ship it! This function is an auxiliary tool and is not guaranteed to be suitable for all computers! 2. Product Description: 2.1 Charging: When the portable U-disk recorder is powered off, connect it to the USB port of the computer. The red light is on, it means charging, and the blue light is on, it means charging is completed. 2.2 When recording without electricity, the recording file will be automatically recorded to ensure data storage 2.3 When the memory is full, no more recording can be made and the recorder will automatically save the file. Please clear the memory in time. So as not to affect the use! 2.4 Start recording 10 seconds after activating recording. Please turn it on again after 10 seconds after recording, because the main controller of the machine needs a few seconds to work.