Kircuit B082KFWKBS
Kircuit AC Wall Power Charger
User Manual for HTOCINQ Wireless Headphone V4.1 Charger
Introduction
Thank you for choosing the Kircuit AC Wall Power Charger. This charger is specifically designed to provide reliable and efficient power to your HTOCINQ Wireless Headphone V4.1. It features robust construction and built-in safety mechanisms to ensure optimal performance and protection for your device.

Image: The Kircuit AC Wall Power Charger, a compact black power adapter with a DC barrel connector cable. The label on the adapter shows "KIRCUT AC/DC ADAPTOR INPUT: 100-240V AC 50/60Hz 0.3A OUTPUT: = 0.3A".
Safety Information
Please read all safety instructions carefully before using this product. Failure to follow these instructions may result in electric shock, fire, or damage to the product or connected devices.
- Do not expose the charger to rain, moisture, or extreme temperatures.
- Do not disassemble or modify the charger.
- Keep out of reach of children.
- Ensure the charger is used with devices that match its specified output voltage and current.
- Unplug the charger from the power outlet when not in use or during electrical storms.

Image: A diagram illustrating the built-in safety protections of Kircuit chargers, including Short Cut protection, Excess Voltage protection, Over Temperature protection, and Overcurrent protection.
This charger is equipped with multiple safety features, including Dynamic IC, Charger IC, and Power fuse, to prevent overcharging, short circuits, and overheating, ensuring a safe charging experience.
Setup
Setting up your Kircuit charger is straightforward:
- Inspect the Charger: Before use, visually inspect the charger and its cable for any signs of damage. Do not use if damaged.
- Connect to Device: Plug the DC barrel connector of the charger cable into the charging port of your HTOCINQ Wireless Headphone V4.1. Ensure a secure connection.
- Connect to Power Outlet: Insert the charger's AC plug into a standard 100V-240V AC wall power outlet.
- Verify Charging: Confirm that your headphone indicates it is receiving power (e.g., a charging indicator light).

Image: The Kircuit charger plugged into a white power strip on a desk, demonstrating a typical setup for charging.
Operating Instructions
Once connected, the charger will automatically begin supplying power to your HTOCINQ Wireless Headphone V4.1. The built-in intelligent charging circuitry will manage the power delivery to ensure efficient and safe charging.
- The charger is designed for continuous use during charging cycles.
- Avoid placing the charger in enclosed spaces or covering it during operation to ensure proper ventilation.
- Disconnect the charger from the wall outlet and your device once charging is complete or if the device is not in use for an extended period.
Maintenance
Proper maintenance will extend the life of your Kircuit charger:
- Cleaning: Disconnect the charger from all power sources and devices before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Storage: Store the charger in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly winding the cable to prevent damage.
- Cable Care: Do not bend or crimp the cable excessively. Avoid placing heavy objects on the cable.

Image: An illustration highlighting the durable design of the power cable, emphasizing high-quality materials, thick insulation, and resistance to wear and high temperatures.
Troubleshooting
If you encounter issues with your Kircuit charger, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not charging | Loose connection, faulty outlet, damaged charger/cable, device issue | Ensure all connections are secure. Try a different power outlet. Inspect charger and cable for damage. Test with another compatible device if possible. |
| Charger feels hot | Normal operation, poor ventilation, overloaded circuit | A slight warmth is normal. Ensure adequate ventilation around the charger. If excessively hot, disconnect immediately and contact support. |
| Intermittent charging | Loose cable, damaged connector, unstable power supply | Check cable connections at both ends. Ensure the power outlet is stable. |
If the problem persists after trying these solutions, please contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Kircuit |
| Model | B082KFWKBS |
| Input Voltage | 100V-240V AC |
| Input Frequency | 50/60Hz |
| Input Current | 0.3A |
| Output Current | 0.3A |
| Safety Features | Dynamic IC, Charger IC, Power fuse for overcharge protection |
| Cable Length | Approximately 6.5 ft (as indicated in product images) |
| Item Weight | 8 ounces |
Warranty and Support
Kircuit products are manufactured to high-quality standards. This product comes with a standard manufacturer's warranty covering defects in materials and workmanship under normal use. Please refer to the product packaging or seller's information for specific warranty terms and duration.
For technical support, warranty claims, or any questions regarding your Kircuit AC Wall Power Charger, please contact the seller or manufacturer through the platform where the product was purchased. Please have your product model number (B082KFWKBS) and purchase details ready when contacting support.

Image: A collage of various Kircuit adapters, illustrating the brand's wide range of compatible products and commitment to quality control.
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