Voice recorder HD noise reduction meeting record one key recording power off automatically save the voice recorder pen 1: MP3 conversion: Insert the headset, press the (-) key, and convert the MP3 playback mode when the indicator turns red and blinks slowly. 2: Charge recording: When recording, a USB cable to connect the computer or power supply, that is, charge the recording. When charging, the red and blue lights flash at the same time, and the blue light is long, indicating that it is full. The total charging time is approximately 1 hour. 3: Connect the computer: Plug in a USB cable to connect the computer and find the appropriate drive to save and open files. Continuous playback: about 6 hours Product model: Q2 Charging time: 1 hour Product color: Black Recording method: one-click recording Memory capacity: 4G, 8G, 16G, 32G Sampling rate: 48KHZ Body material: zinc alloy casting Number of bits: 192KBPS Product specification: 45x17x6mm Music format: MP3/WMA/WAV Continuous recording: 8 hours Product list: Mini Recorder *1 Headphones *1 USB cable *1 User Manual *1