1. Product Overview
The BRONC Max V12 is a wireless rotary tattoo machine designed for professional tattoo artists. It features an adjustable stroke length, a powerful coreless motor, and a long-lasting 2,100mAh battery for extended operation. The integrated OLED display provides clear monitoring of performance and settings.
Key Features:
- Adjustable Stroke Length: Seamlessly switch between 2.5mm and 4.0mm stroke lengths for various tattooing techniques, including lining, shading, and color packing.
- Extended Battery Life: The 2,100mAh battery provides 6 to 10 hours of continuous operation, ensuring uninterrupted tattoo sessions.
- Rapid Type-C Charging: Fully recharges in 2-3 hours using Type-C fast charge technology.
- Swiss High-Speed Motor: Equipped with a powerful Swiss coreless motor operating at 11,000 RPM for smooth, precise, and efficient tattooing with low vibration.
- Dual Voltage Control & OLED Display: Easily switch between two voltage groups (5.0V-12.0V) and monitor voltage output, battery life, and other settings on the clear OLED display.
- Ergonomic Design: Modern and sophisticated design available in multiple colors, balanced for comfortable use.

2. Setup
Unboxing and Initial Inspection:
Carefully remove all components from the packaging. Verify that all items listed in the product contents are present and undamaged.
Charging the Device:
- Before initial use, ensure the tattoo machine is fully charged.
- Connect the provided Type-C charging cable to the machine's charging port and a compatible power adapter.
- The OLED display will indicate charging status. A full charge typically takes 2-3 hours.

Attaching the Needle:
Twist the grip counter-clockwise to loosen it. Insert the desired tattoo needle cartridge into the machine. Twist the grip clockwise to secure the needle in place.
3. Operating Instructions
Powering On/Off:
Press and hold the power button for 3 seconds to turn the device on or off.
Adjusting Stroke Length:
The BRONC Max V12 features an adjustable stroke system. Rotate the adjustment ring on the machine body to select a stroke length between 2.5mm and 4.0mm. Turn the handle counter-clockwise to increase the stroke and clockwise to decrease it.

Voltage Control and OLED Display:
Use the '+' and '-' buttons to adjust the voltage between 5.0V and 12.0V. The OLED display provides real-time information on current voltage, battery level, and session timer. Double-click the power button for a strong start function.

Tattooing Techniques:
The adjustable stroke and dual voltage control allow for versatility in tattooing. Experiment with different settings to achieve optimal results for lining, shading, and color packing. Adjust settings as needed during your tattoo session for precision and control.
4. Maintenance
Cleaning and Sterilization:
After each use, carefully wipe down the machine with a suitable disinfectant. Ensure no liquids enter the internal components. The machine is not submersible. Follow standard hygiene protocols for tattoo equipment.
Battery Care:
- Always use the original Type-C charging cable and a compatible power adapter.
- Avoid overcharging or completely draining the battery to prolong its lifespan.
- Store the machine in a cool, dry place when not in use.
5. Troubleshooting
Common Issues and Solutions:
- Machine not powering on: Ensure the battery is charged. Connect to the charger and try again. If the issue persists, contact customer support.
- Inconsistent performance: Check that the needle cartridge is securely attached and undamaged. Verify the stroke length and voltage settings are appropriate for the task.
- Charging issues: Ensure the Type-C cable and adapter are functioning correctly. Try a different cable or power source.
- Excessive vibration or noise: This may indicate a loose component or a worn-out part. Discontinue use and contact customer support.
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | RTM-1003-107 |
| Battery Capacity | 2,100mAh Lithium Ion (included) |
| Stroke Length | Adjustable 2.5mm ~ 4.0mm |
| Motor | Coreless Swiss High-Speed Motor |
| Voltage Range | 5.0V-12.0V |
| Charging Time | 2-3 hours (Type-C Fast Charge) |
| Operating Time | 6.0 to 10.0 hours (Test Results) |
| Package Dimensions | 7.36 x 4.41 x 2.44 inches |
| Item Weight | 8.01 ounces |
| Manufacturer | BRONC |
7. Warranty and Support
Warranty Information:
Please refer to the warranty card included with your product for detailed warranty terms and conditions. Keep your proof of purchase for any warranty claims.
Customer Support:
For technical assistance, troubleshooting, or any product-related inquiries, please contact BRONC customer support. Contact information can typically be found on the product packaging or the official BRONC website.




