Introduction
The XOSS XL-1200 is a high-brightness, USB-C rechargeable bicycle headlight designed for enhanced visibility and safety during night riding. Featuring a durable aluminum alloy shell and multiple lighting modes, it is an essential accessory for any cyclist.

Image: Cyclists using the XOSS XL-1200 headlight for night riding, demonstrating its powerful illumination.
Packing List
Please check the contents of your package to ensure all items are present:
- XL-1200 Headlight * 1
- Charging Cable * 1 (USB-A to USB-C)
- GoPro Adaptor * 1
- GoPro Adaptor Bolt * 1
- Handlebar Mount * 1
- Use Manual * 1

Image: Visual representation of the XOSS XL-1200 product package contents.
Setup and Installation
The XOSS XL-1200 offers two convenient mounting options: positive mounting and hanging mounting. Both methods ensure a secure fit on various bicycle handlebars.
Mounting Instructions:
- Attach the Handlebar Mount: Secure the handlebar mount to your bicycle's handlebar using the provided screws. Ensure it is tightened firmly to prevent movement during rides.
- Choose Mounting Method:
- Positive Mounting: For mounting the headlight on top of the handlebar. Slide the XL-1200 headlight onto the mount until it clicks into place.
- Hanging Mounting: For mounting the headlight below the handlebar. Use the GoPro Adaptor and Bolt to attach the headlight in a hanging position.
- Adjust Angle: Once mounted, adjust the angle of the headlight to ensure optimal illumination of your path without blinding oncoming traffic.

Image: Detailed illustration of positive and hanging mounting options for the XL-1200 headlight.
Operating Instructions
The XL-1200 headlight features a single button for easy operation and cycling through its various lighting modes.
Power On/Off:
- To Turn On: Press and hold the power button for approximately 2 seconds.
- To Turn Off: Press and hold the power button for approximately 2 seconds.
Lighting Modes:
Once the light is on, single-click the power button to cycle through the 6 available lighting modes:
- High Light Mode: Provides maximum brightness (1200 lumens) for optimal visibility. (Approx. 1.7 hours runtime)
- Medium Light Mode: A balanced brightness for general use. (Approx. 2 hours runtime)
- Low Light Mode: Lower brightness for extended battery life. (Approx. 4.5 hours runtime)
- Power Saving Mode: Designed for maximum runtime. (Approx. 10.5 hours runtime)
- Flash Light Mode: A flashing pattern for increased daytime visibility or emergencies. (Approx. 8.7 hours runtime)
- SOS Mode: A specific flashing pattern for emergency signaling. (Approx. 2.5 hours runtime)

Image: Overview of the XOSS XL-1200's 6 lighting modes and their respective battery life.
Battery Level Alert:
The XL-1200 features a power indicator light on the side to show the current battery level:
- Green Light Flash: 70% - 100% battery remaining.
- Blue Light Flash: 20% - 70% battery remaining.
- Red Light Flash: Below 20% battery remaining. Please recharge the device.
Charging
The XOSS XL-1200 is equipped with a built-in 3200mAh battery and charges via a USB-C port.
- Locate the USB-C charging port on the headlight.
- Connect the provided USB-C charging cable to the headlight.
- Plug the other end of the USB-C cable into a USB power source (e.g., computer, wall adapter, power bank).
- The power indicator light will show charging status. It will change color or stop flashing when fully charged.
- A full charge can provide up to 9 hours of use, depending on the selected brightness mode.

Image: The XOSS XL-1200 headlight being charged via USB-C, with an illustration of the power indicator light states.
Maintenance
To ensure the longevity and optimal performance of your XOSS XL-1200 headlight, follow these maintenance guidelines:
- Cleaning: Wipe the headlight body and lens with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the headlight in a cool, dry place when not in use. Avoid extreme temperatures.
- Charging: Recharge the battery regularly, even if not used frequently, to maintain battery health. Avoid completely draining the battery for extended periods.
- Water Resistance: The headlight is IPX6 water-resistant, meaning it can withstand heavy splashes and rain. However, do not submerge it in water. Ensure the USB-C port cover is securely closed when not charging to maintain water resistance.
Troubleshooting
If you encounter any issues with your XOSS XL-1200 headlight, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Battery is depleted. | Charge the headlight using the provided USB-C cable. |
| Light flickers or is dim. | Low battery level. | Recharge the headlight. |
| Cannot change lighting modes. | Button not pressed correctly or internal issue. | Ensure a single, quick click of the button. If issue persists, contact customer support. |
| Headlight falls off mount. | Mount not secured or headlight not clicked in properly. | Ensure handlebar mount is tightened firmly. Verify the headlight is fully clicked into the mount. |
If the problem persists after trying these solutions, please contact XOSS customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Name | XL-1200 |
| Brightness | 1200 Lumens |
| Lighting Modes | 6 (High, Medium, Low, Power Saving, Flash, SOS) |
| Battery Capacity | 3200mAh |
| Charging Port | USB-C |
| Material | Aluminum Alloy |
| Water Resistance | IPX6 |
| Mounting Type | Handlebar Mount (Positive & Hanging) |
| Dimensions | Approx. 3.93 inches (length) x 1.18 inches (diameter) |
Warranty and Support
The XOSS XL-1200 Bike Headlight comes with a One Year Warranty from the date of purchase.
This warranty covers manufacturing defects and issues arising from normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper maintenance.
For warranty claims, technical support, or any questions regarding your product, please contact XOSS customer service through the official XOSS store or website. Please have your purchase receipt and product model number (XL-1200) ready when contacting support.
XOSS is committed to providing high-quality products and excellent after-sales experience.





