1. Introduction
Thank you for choosing the Nokta Makro Bluetooth Low Latency Headphones. These headphones are specifically designed to provide a superior audio experience for metal detecting, particularly when paired with The Legend Metal Detector. Utilizing aptX™ Low Latency technology, they deliver faster and more precise target responses compared to standard Bluetooth audio solutions, enhancing your metal detecting efficiency.
This manual provides essential information on setting up, operating, maintaining, and troubleshooting your headphones to ensure optimal performance and longevity.
2. Safety Information
- Do not expose the headphones to extreme temperatures, humidity, or corrosive environments.
- Avoid dropping or subjecting the headphones to severe impact.
- Keep the headphones away from water and liquids. If they become wet, power them off immediately and allow them to dry completely before use.
- Do not attempt to disassemble or modify the headphones. This will void the warranty and may cause damage.
- Use only the provided or a certified charging cable.
- Listen at moderate volume levels to prevent hearing damage. Prolonged exposure to loud sounds can cause permanent hearing loss.
3. Package Contents
Please check the package for the following items:
- Nokta Makro Bluetooth Low Latency Headphones
- USB Charging Cable
- Carry Bag

Image: The package includes the black over-ear headphones, a black USB charging cable, and a black drawstring carry bag with the Nokta logo.
4. Product Overview
The Nokta Makro Bluetooth Low Latency Headphones are designed for comfort and high-fidelity audio transmission, crucial for discerning subtle signals from your metal detector. They feature an over-ear design for passive noise isolation and a robust build for outdoor use.

Image: A close-up view of the black Nokta Makro Bluetooth Low Latency Headphones, showing the earcups and adjustable headband with the 'Nokta' branding.
Key Features:
- Bluetooth Connectivity: For wireless freedom.
- aptX™ Low Latency Technology: Ensures minimal audio delay for precise target responses.
- Over-Ear Design: Provides comfort and helps block out ambient noise.
- Compatibility: Optimized for use with Nokta The Legend Metal Detector.
5. Setup
5.1 Charging the Headphones
- Locate the charging port on the headphones.
- Connect one end of the provided USB charging cable to the headphones and the other end to a USB power source (e.g., computer USB port, wall adapter).
- The LED indicator on the headphones will typically show red during charging and turn off or change color (e.g., blue) when fully charged.
- A full charge usually takes approximately 2-3 hours.
5.2 Pairing with The Legend Metal Detector
These headphones are designed for seamless pairing with The Legend Metal Detector. Refer to your metal detector's manual for specific instructions on enabling Bluetooth pairing mode.
- Ensure the headphones are fully charged and powered off.
- Press and hold the Power button on the headphones until the LED indicator flashes rapidly (often blue and red alternately), indicating pairing mode.
- On your Nokta The Legend Metal Detector, navigate to the Bluetooth settings and initiate a search for new devices.
- Select "Nokta BT Headphones" from the list of available devices on your metal detector's screen.
- Once paired, the LED indicator on the headphones will typically flash blue slowly or remain solid blue.
- The headphones should now be connected and ready for use with your metal detector.
6. Operating
6.1 Power On/Off
- To Power On: Press and hold the Power button for approximately 3 seconds until the LED indicator lights up.
- To Power Off: Press and hold the Power button for approximately 5 seconds until the LED indicator turns off.
6.2 Volume Control
Use the volume buttons located on the headphones to adjust the audio level. Typically, '+' increases volume and '-' decreases volume.
6.3 Using with Metal Detector
Once paired, the audio from your Nokta The Legend Metal Detector will be transmitted wirelessly to your headphones. The low latency technology ensures that target signals are heard with minimal delay, allowing for quick and accurate responses during your detecting sessions.
- Ensure a stable Bluetooth connection for uninterrupted audio.
- Adjust the volume to a comfortable level that allows you to clearly hear target signals without causing discomfort.
- Periodically check the battery level of both your headphones and metal detector to avoid unexpected power loss during use.
7. Maintenance
7.1 Cleaning
- Wipe the headphones with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or chemical sprays.
- For ear cushions, gently wipe with a slightly damp cloth and allow to air dry completely.
7.2 Storage
- Store the headphones in the provided carry bag when not in use to protect them from dust and scratches.
- Store in a cool, dry place, away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the headphones to about 50% capacity to preserve battery health.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on | Low battery | Charge the headphones fully. |
| Cannot pair with metal detector | Headphones not in pairing mode; Detector Bluetooth off; Out of range | Ensure headphones are in pairing mode (flashing LED). Check detector's Bluetooth settings. Move headphones closer to the detector. |
| No sound or intermittent sound | Volume too low; Not connected; Interference | Increase volume on headphones and detector. Re-pair the headphones. Move away from other wireless devices. |
| Poor sound quality / Lag | Weak connection; Interference; Not using aptX™ Low Latency | Ensure headphones are close to the detector. Minimize other Bluetooth devices. Confirm detector supports aptX™ Low Latency for optimal performance. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | Nokta Bluetooth Headphones |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth |
| Item Model Number | 17000257 |
| Earpiece Shape | Over-Ear, Round |
| Frequency Range | 20Hz-20kHz |
| Item Weight | 200 Grams (approx. 7.1 ounces) |
| Product Dimensions | 13 x 9 x 5 inches |
| Batteries | 1 Lithium Polymer battery (included) |
| Compatible Devices | Metal Detectors (specifically Nokta The Legend) |
| Material | Metal (components) |
| Color | Black |
10. Warranty and Support
Nokta Makro products are manufactured to high standards and are covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Nokta Makro website.
If you encounter any issues not covered in this manual or require further assistance, please contact Nokta Makro customer support. Contact information can typically be found on the manufacturer's website or on your product packaging.





