1. Introduction
This manual provides essential instructions for the safe and effective use of your Kircuit AC Adapter. This adapter is designed to provide reliable power for compatible devices, specifically the BlueAnt Supertooth 3 III Light, BTSVBC3, and BTSLBC3 Bluetooth Phones.
Please read this manual thoroughly before using the product and retain it for future reference.

Image: Overview of Kircuit power safety features.
2. Safety Information
To ensure safe operation and prevent damage, observe the following precautions:
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to disassemble or modify the adapter.
- Ensure the adapter is used with devices that match its voltage and current specifications.
- Unplug the adapter from the power outlet when not in use or during electrical storms.

Image: Built-in safety protections diagram.
3. Setup
Follow these steps to set up your Kircuit AC Adapter:
- Unpack: Carefully remove the AC adapter and USB cable from its packaging.
- Connect Cable: Insert the USB cable into the USB port on the AC adapter.
- Connect to Device: Plug the other end of the USB cable into the charging port of your BlueAnt Supertooth device.
- Connect to Power: Insert the AC adapter into a standard wall power outlet (100-240V AC).
4. Operating Instructions
Once set up, the adapter will begin charging your device:
- Ensure all connections are secure.
- The charging indicator on your BlueAnt Supertooth device should activate, indicating that it is receiving power.
- Allow the device to charge until its battery is full. Refer to your device's manual for specific charging times.
- Once charging is complete, disconnect the USB cable from your device and unplug the AC adapter from the wall outlet.
5. Maintenance
Proper maintenance ensures the longevity and performance of your AC adapter:
- Cleaning: Use a soft, dry cloth to clean the adapter. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Avoid bending or twisting the cable excessively, especially near the connectors, to prevent internal damage.

Image: Durable cable design for enhanced protection.

Image: Plug design comparison for secure connection.
6. Troubleshooting
If you encounter issues with your AC adapter, try the following solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not charging | Loose connection, faulty outlet, damaged cable/adapter | Check all connections. Try a different wall outlet. Inspect cable and adapter for visible damage. |
| Adapter feels hot | Normal operation (slight warmth), excessive load, poor ventilation | A slight warmth is normal. Ensure adequate ventilation around the adapter. If excessively hot, discontinue use and contact support. |
If the problem persists after attempting these solutions, please contact customer support.
7. Specifications
- Input: 100-240V AC, 50-60Hz
- Output: 5V DC
- Compatibility: BlueAnt Supertooth 3 III Light, BTSVBC3, BTSLBC3 Bluetooth Phones
- Weight: Approximately 8 ounces (227 grams)
- Manufacturer: Kircuit
8. Warranty and Support
Kircuit products are manufactured to high-quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Kircuit website.
When contacting support, please have your product model number (BTSVBC3 BTSLBC3) and purchase information readily available.

Image: Kircuit product range and quality assurance.

Image: Kircuit AC adapter in use.