1. Important Safety Information
Please read all safety instructions carefully before using this appliance. Failure to follow these instructions may result in electric shock, fire, or injury.
- This product is equipped with a US plug (polarized). Ensure it is plugged into a compatible outlet.
- Do not leave the device unattended while in use.
- Keep out of reach of children.
- Do not use near water or while bathing. If the appliance falls into water, unplug it immediately. Do not reach into the water.
- Always unplug the appliance after use and before cleaning.
- Do not operate any appliance with a damaged cord or plug, or if the appliance malfunctions or has been dropped or damaged in any manner.
- Use only as described in this manual.
- The appliance surfaces are hot when in use. Avoid direct contact with skin, especially the heating elements.
- Use the provided heat-resistant glove for secure handling during use.
2. Product Overview
The Wavytalk Pro Steam Hair Straightener Brush (Model B390) is a 3-in-1 styling tool designed to straighten, comb, and provide steam care for your hair. It features "Hydro-Infusion" technology for hair hydration and anti-scald coverage for user safety.

Image: Wavytalk Pro Steam Hair Straightener Brush and included accessories.
Key Features:
- 3-in-1 Functionality: Combines a straightener, comb, and steam care.
- Hydro-Infusion Technology: Utilizes advanced ultrasound and circular heating to convert water into evenly heated vapor for deep hair nourishment.
- Fast Heating: Reaches optimal temperature in approximately 30 seconds.
- Anti-Scald Coverage: Full anti-scald shell and deep wave tip design on teeth to reduce burn risk and enhance hair grip.
- 4 Temperature Settings: Adjustable heat for various hair types.
- Automatic Shut-off: 30-minute auto-off function for safety.
- Universal Voltage: Compatible with 100-240V.
3. Setup
3.1 Filling the Water Tank
For optimal performance and to prevent blockages, use pure or distilled water. The water tank has a 15ml capacity, providing approximately 27 minutes of usage.
- Pinch the buttons on the side of the device to release and pull out the water tank.
- Remove the rubber stopper from the tank.
- Using the provided dropper, squeeze purified or distilled water into the tank.
- Replace the rubber stopper securely.
- Insert the tank back into the device, pressing until it clicks into place.

Image: Steps for filling the water tank.
3.2 Initial Power-On
- Plug the appliance into a suitable electrical outlet.
- Press and hold the power button to turn on the device.
- The device will begin heating up.
4. Operating Instructions
4.1 Temperature Settings
Select the appropriate temperature setting for your hair type using the temperature control buttons.
- 320°F (150°C): Suitable for thin hair.
- 350°F (170°C): Suitable for medium hair.
- 380°F (190°C): Suitable for wavy/curly hair.
- 410°F (210°C): Suitable for coarse/thick hair.

Image: Temperature settings guide.
4.2 Hair Straightening Process
- Ensure your hair is clean and dry before use.
- Divide your hair into manageable sections using clips or hair ties.
- Put on the provided heat-resistant glove.
- Take one section of hair and slowly glide the straightening brush through it, from roots to ends. Ensure uniform and steady contact with each strand.
- The steam function will activate automatically, releasing nano-mist vapor to hydrate your hair. The steam release rate is approximately 0.5ml/min intermittently. The visibility of the steam may be low.
- Repeat for all sections until desired straightness is achieved.
4.3 Anti-Scald Feature
The straightening comb is designed with a full anti-scald shell and deep wave tip teeth. This patented 3D teeth design protects your scalp and body from accidental burns, allowing for safer styling.

Image: Anti-scald coverage detail.
5. Maintenance
5.1 Cleaning
- Ensure the appliance is unplugged and completely cool before cleaning.
- Empty any remaining water from the tank.
- Wipe the exterior of the brush with a soft, damp cloth.
- Do not use abrasive cleaners or immerse the appliance in water.
- Regularly check the steam nozzles for any mineral buildup, especially if not using distilled water. Use a cotton swab or a small brush to gently clear any blockages.
5.2 Storage
- Store the appliance in a cool, dry place, away from direct sunlight and moisture.
- Ensure the cord is not wrapped tightly around the appliance, as this can cause damage over time.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Appliance does not turn on. | Not plugged in; power outlet malfunction; appliance damage. | Check power connection; try a different outlet; contact customer support if damaged. |
| No steam or very little steam. | Water tank empty; mineral buildup in nozzles; tank not properly inserted. | Refill water tank with distilled water; clean steam nozzles; ensure tank is securely clicked into place. |
| Appliance not heating up. | Power issue; internal malfunction. | Check power connection; ensure power button is pressed; contact customer support. |
| Hair not straightening effectively. | Incorrect temperature setting; hair sections too large; brush moved too quickly. | Increase temperature (if suitable for hair type); use smaller hair sections; glide brush slowly and steadily. |
7. Specifications
- Model Number: B390
- Brand: Wavytalk
- Material: Ceramic
- Product Dimensions: 12.09 x 2.17 x 2.17 inches
- Item Weight: 1.15 Pounds
- Voltage: 100-240V (Universal)
- Automatic Shut-off: 30 minutes
- Cord: 6ft 360° swivel cord
- Water Tank Capacity: 15ml (approx. 27 minutes usage)
8. Warranty and Support
For warranty information or technical support, please contact Wavytalk customer service. Refer to the product packaging or the official Wavytalk website for contact details.
Keep your purchase receipt as proof of purchase for any warranty claims.



