1. Introduction
Thank you for choosing the Tonnlog V69 128GB Mini Voice Recorder. This compact and powerful device is designed to capture high-quality audio with ease, featuring advanced noise reduction technology and a range of convenient functions. Please read this manual carefully to ensure optimal performance and longevity of your device.
2. What's in the Box
Your Tonnlog V69 package includes the following items:
- 1 x 128GB Digital Voice Recorder (Tonnlog V69)
- 1 x USB-C Data Cable
- 1 x 3.5mm Transcription Cable
- 1 x Double Type-C Short Cable
- 1 x Lanyard
- 1 x User Manual
- 1 x Card with Instructional Videos (QR code for YouTube tutorial)
3. Product Overview & Key Features
The Tonnlog V69 is engineered for superior audio recording in a miniature form factor. Its robust features make it ideal for various applications, from meetings and lectures to interviews and personal notes.
Key Features:
- 128GB Massive Memory: Stores up to 8000 hours of recordings.
- Compact & Portable: Measures 3.6*0.9*0.47 inches and weighs 1.69 ounces, with a durable aluminum alloy metal body.
- High-Quality Audio: Up to 1536Kbps lossless sound quality.
- Advanced Noise Reduction: Built-in 2159 professional noise reduction chip for clearer sound.
- Dynamic Recording Interface: 0.96-inch screen with fluctuating image during recording.
- One-Touch Recording: Simple slide button for instant recording and saving.
- Voice Activation (VOR): Records only when sound is detected, saving memory and power.
- Multi-functional: Includes A-B Repeat, Password Protection, Variable Speed Playback, Timed Recording, and Line-in Input.
Visual Overview:

This image illustrates the recorder's compact size (3.6*0.9*0.47 inches) and its substantial 128GB internal memory, capable of storing up to 8000 hours of audio.

The device features a built-in dual-sensitive microphone for 360° pickup and utilizes the 2159 professional noise reduction chip for clear, lossless audio up to 1536Kbps.

This image details the physical layout of the device, including the Record/Save slider, volume buttons, Type-C port, and menu/playback controls, emphasizing its intuitive design.

A user is shown activating the one-click recording feature, highlighting the simplicity of starting a recording with a single action.
4. Setup
4.1 Charging the Device
Before first use, fully charge your Tonnlog V69. Connect the provided USB-C data cable to the device's Type-C port and a power source (e.g., computer USB port, USB wall adapter). A full charge takes approximately 40 minutes and provides up to 20 hours of continuous recording.
4.2 Power On/Off
To power on the device, slide the Record/Save button upwards. The screen will illuminate. To power off, slide the Record/Save button downwards. The device will automatically save any active recording before powering off.

This image demonstrates the intuitive slide switch for initiating and saving recordings, along with the automatic timestamping feature.
4.3 Initial Settings (Language, Date/Time)
Upon first use or after a reset, you may need to set the language and date/time. Refer to the included Quick Guide card for detailed steps:
- Long press the M button to enter the menu.
- Navigate to [System Settings].
- Select [Language] to choose your preferred language.
- Select [Date and Time] to adjust the current date and time.
5. Operating Instructions
5.1 Basic Recording
To start recording, simply slide the Record/Save button upwards. The device will begin recording immediately. To stop and save the recording, slide the Record/Save button downwards. Recordings are automatically named by date and time for easy organization.
5.2 Playback
Press the Play/Pause button to function as a basic MP3 player. You can play or pause recordings and music files. Use the Previous and Next buttons to navigate between files.
5.3 Deleting Recordings
To delete a recording, long-press the Delete button. You will be prompted to choose between deleting a single recording or all recordings.
5.4 Voice Activated Recording (VOR)
The VOR function allows the recorder to start recording automatically when sound is detected and pause when it falls below a certain decibel level. This reduces silent portions and optimizes memory usage. VOR has 7 adjustable decibel levels and is off by default. To activate and configure VOR, access the device's menu and navigate to the VOR settings.
This video provides a visual guide on how to use the voice-activated recording feature and highlights the 1536Kbps audio quality.
This video showcases the effectiveness of the voice activation feature combined with noise reduction for clear recordings.
6. Advanced Features
6.1 A-B Repeat
The A-B repeat function allows you to mark a specific segment of an audio file and play it repeatedly. This is particularly useful for language learning or reviewing critical sections of a lecture.
6.2 Variable Speed Playback
Adjust the playback speed of your recordings to suit your needs. This feature is beneficial for transcribing audio or for language learners to better understand pronunciation and intonation.
6.3 Password Protection
Secure your recordings with a 6-digit password. This ensures that only authorized users can access the audio files stored on your device, protecting your privacy.
6.4 Timed Recording
Schedule your recordings to start and stop at specific times. This is useful for capturing regular events without manual intervention.

This graphic highlights the device's versatile capabilities, including password protection, voice activation, A-B repeat, and variable speed playback.
7. Connectivity & Data Transfer
7.1 Line-in Recording
The Tonnlog V69 supports line-in input, allowing you to record audio directly from external devices such as smartphones, MP3 players, laptops, or computers using the provided 3.5mm transcription cable.

This image illustrates how to connect the recorder to smartphones, MP3 players, laptops, and other devices for direct audio input using the 3.5mm audio cable.
7.2 Computer Transmission
Connect the recorder to your personal computer using the USB-C data cable to easily transfer recorded files. The device will be recognized as a removable storage drive, allowing you to drag and drop files.

This image shows the recorder connected to a laptop via its USB-C cable, demonstrating the ease of transferring recorded files to a computer.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Tonnlog |
| Model Number | Tonn-v69 |
| Memory Storage Capacity | 128 GB |
| Audio Quality | Up to 1536Kbps Lossless Sound |
| Noise Reduction Chip | 2159 Professional Noise Reduction |
| Display Technology | LCD |
| Screen Size | 0.96 Inches |
| Microphone Format | Built-In Dual-Sensitive Microphone |
| Hardware Interface | USB Type C |
| Compatible Devices | Personal Computer |
| Battery Type | Lithium Polymer |
| Battery Average Life | 20 Hours (recording) |
| Product Dimensions | 1.2 x 2.3 x 9.2 cm; 48 g |
| Media Format | MP3 Audio, WAV |
9. Troubleshooting
9.1 Low Battery Auto Save
The device is equipped with a low battery auto-save function. If the battery runs critically low during recording, the device will automatically save the current recording before powering off to prevent data loss. File names are automatically generated with the date and time.
9.2 No Songs Found / Formatting Issues
If you encounter a
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