1. Introduction
Thank you for choosing the Vivaniir 128GB Mini Voice Recorder V53. This compact and powerful device is designed for high-quality audio recording in various settings, including lectures, meetings, interviews, and personal memos. With its 128GB internal memory, long battery life, and advanced noise reduction technology, you can capture clear audio with ease.

Figure 1: Vivaniir 128GB Mini Voice Recorder, showcasing its compact design and key features.
2. What's in the Box
Your Vivaniir 128GB Mini Voice Recorder package includes the following items:
- 1 x 128GB Digital Voice Recorder
- 1 x Wired Headphones
- 1 x USB to Type-C Cable
- 1 x Type-C to Type-C Cable
- 1 x Lanyard
- 1 x User Manual

Figure 2: All items included in the Vivaniir 128GB Mini Voice Recorder package.
3. Product Overview
Familiarize yourself with the physical components and controls of your voice recorder:

Figure 3: Dimensions and key features of the voice recorder.
- On/Off/Record Switch: Slide up to 'ON' to start recording, slide down to 'OFF' to save and power off.
- USB Type-C Port: For charging and connecting to a computer.
- Reset Button: A small pinhole button for resetting the device if needed.
- Lanyard Hole: For attaching the included lanyard.
- Indicator Light/Sound Hole: Provides visual feedback and captures audio.
4. Setup
4.1 Charging the Device
Connect the voice recorder to a power source using the provided USB Type-C cable. A full charge takes approximately 1.5 hours and provides 40-45 hours of continuous recording time.
4.2 Setting Date and Time
To ensure accurate timestamps on your recordings, set the date and time by connecting the device to a computer. Refer to the video below for detailed instructions.
Video 1: Instructions on how to set the date and time on your Vivaniir voice recorder using Windows or Mac computers.
5. Operating Instructions
5.1 Basic Recording
To start recording, simply slide the 'ON/OFF' switch to the 'ON' position. The device will begin recording automatically. To save the recording and power off the device, slide the switch to the 'OFF' position. Files are named with the date and time for easy organization.

Figure 4: Simple one-key operation for starting and saving recordings.
5.2 Voice Activated Recording (VOR)
The device supports Voice Activated Recording (VOR), which allows it to record only when sound is detected, saving memory and battery. You can adjust the VOR sensitivity (0-7, where 0 is off and 1-7 is on). For important occasions, continuous recording is recommended as VOR may miss subtle sounds.

Figure 5: Voice Activated Recording (VOR) functionality with adjustable sensitivity.
5.3 Segmented Recording
The recorder can be set to record in segments of 30, 60, or 120 minutes. This feature helps manage large recording files more efficiently.

Figure 6: Segmented recording options for file management.
5.4 Playback and File Transfer
To listen to your recordings or transfer files to a computer, follow the instructions in the video below. The package includes a wire control with earphones for direct playback and various cables for computer connection.
Video 2: Detailed guide on how to use the Vivaniir digital voice recorder for playback and file transfer.
6. Maintenance
- Avoid formatting the voice recorder on your computer, as this may render the device unable to record, function, or be recognized by your computer.
- Keep the device dry and away from extreme temperatures.
- Clean the device with a soft, dry cloth.
7. Troubleshooting
If you encounter any issues with your Vivaniir voice recorder, please refer to the detailed troubleshooting section in the included user manual. Common issues can often be resolved by resetting the device using the reset button.
8. Specifications
| Feature | Detail |
|---|---|
| Memory Storage Capacity | 128 GB |
| Digital Recording Time | 40-45 Hours |
| Battery Average Life | 40 Hours |
| Product Dimensions | 0.25"D x 1"W x 2.8"H |
| Item Weight | 25 Grams |
| Hardware Interface | USB Type C |
| Microphone Form Factor | Built-In |
| Format | MP3 Audio, WAV |
| Headphones Jack | 3.5 millimeters |
| Compatible Devices | Personal Computer, Type-C Android Phones |
9. Warranty
The Vivaniir 128GB Mini Voice Recorder V53 comes with a 2-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
10. Support
For any questions, technical support, or after-sales service, please contact us via email:
After-sales email: V53@126.com
You can also visit the Vivaniir store on Amazon for more product information and support: Vivaniir Store