Introduction
Thank you for choosing the Smiling Shark TD-0168 Rechargeable LED Headlight. This headlamp is designed for various outdoor and indoor activities, offering multiple lighting modes, motion sensor control, and a durable, waterproof design. Please read this manual carefully before use to ensure proper operation and to maximize the product's lifespan.

Image: The Smiling Shark TD-0168 LED Headlight, highlighting its design and model number.
Safety Information
- Do not look directly into the LED light when it is on, as it can cause temporary vision impairment.
- Keep out of reach of children.
- Do not disassemble or modify the headlamp. This may cause damage and void the warranty.
- Avoid exposing the headlamp to extreme temperatures or direct sunlight for prolonged periods.
- Ensure the charging port is dry before connecting the charging cable.
Package Contents
Please check the package for the following items:
- Smiling Shark TD-0168 LED Headlight (x1)
- USB Charging Cable (x1)
- User Manual (x1)

Image: A visual representation of the items included in the product package.
Setup
Adjusting the Headband
The headlamp comes with an adjustable elastic headband. To adjust, simply slide the buckles on either side of the headband to achieve a comfortable and secure fit around your head or over a helmet.
Angle Adjustment
The headlamp unit can be tilted up to 45 degrees to direct the light beam precisely where needed. Gently push or pull the light unit to adjust its angle.

Image: The headlamp demonstrating its 45-degree tilt capability and different illumination patterns.
Charging
The TD-0168 headlamp is equipped with a 2500mAh rechargeable lithium-ion battery. For optimal performance, fully charge the headlamp before its first use.
Charging Procedure:
- Locate the USB charging port on the headlamp.
- Connect the provided USB charging cable to the headlamp's charging port.
- Connect the other end of the USB cable to a standard USB power source (e.g., wall adapter, power bank, computer USB port).
- The charging indicator lights will illuminate to show charging status.
- A full charge typically takes 1 to 2 hours. The indicator lights will change or turn off once charging is complete.
The headlamp can provide up to 8 hours of illumination on a full charge, depending on the selected mode.

Image: The headlamp being charged via USB, illustrating the charging port and battery indicators.
Operating Instructions
Power On/Off and Mode Selection
The headlamp features a main power button for controlling the light and cycling through modes.
- To Turn On/Off: Press and hold the power button for approximately 2 seconds.
- To Change Modes: Briefly press the power button to cycle through the 5 available lighting modes:
- Strong White Light (Spotlight)
- Weak White Light (Spotlight)
- White Floodlight
- Red Floodlight
- White and Red Strobe (Warning Light)

Image: A visual guide to the five lighting modes of the TD-0168 headlamp.
Motion Sensor Function
The headlamp is equipped with a human-sensing chip, allowing for hands-free operation.
- To Activate/Deactivate Motion Sensor: Press the dedicated motion sensor button (usually indicated by a wave icon).
- Once activated, simply wave your hand in front of the headlamp to turn the light on or off without needing to press the power button.

Image: A user demonstrating the motion sensor function by waving a hand to control the headlamp.
Maintenance
- Cleaning: Wipe the headlamp with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the headlamp in a cool, dry place when not in use. If storing for extended periods, charge the battery every 3-6 months to maintain battery health.
- Water Resistance: The headlamp is IP65 rated for water and dust resistance, meaning it can withstand rain and splashes. Do not submerge the headlamp in water.

Image: The headlamp showcasing its water-resistant design, suitable for use in rainy conditions.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headlamp does not turn on. | Battery is depleted. | Charge the headlamp fully. |
| Headlamp does not turn on with motion sensor. | Motion sensor is not activated or obstructed. | Ensure the motion sensor button is pressed to activate the feature. Clear any obstructions in front of the sensor. |
| Short battery life. | Using high brightness modes frequently. | Lower brightness settings consume less power. Ensure the battery is fully charged before use. |
| Charging indicator not working. | Faulty cable or power source. | Try a different USB cable or power adapter. Ensure the cable is securely connected. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | TD-0168 |
| Brand | Smiling Shark |
| Dimensions | 3.9 x 7 x 3.9 cm |
| Weight | 130 g |
| Battery Capacity | 2500mAh Lithium-Ion |
| Charging Time | 1-2 hours (approx.) |
| Max Usage Time | Up to 8 hours |
| Water Resistance | IP65 |
| Lighting Modes | 5 (Strong White, Weak White, White Flood, Red Flood, White/Red Strobe) |
| Special Features | Motion Sensor Control, 45° Angle Adjustment |
| Included Components | Headlight, USB Charging Cable |
Warranty and Support
Smiling Shark products are manufactured with high-quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official Smiling Shark website.
Please retain your proof of purchase for any warranty claims.



