1. Introduction
Thank you for choosing the House of Marley Positive Vibration Frequency Over-Ear Wireless Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity. These headphones are designed for a high-quality audio experience with a focus on sustainable materials.

Image 1.1: House of Marley Positive Vibration Frequency Over-Ear Wireless Headphones in Signature Black.
2. Package Contents
Verify that all items are present in your package:
- Positive Vibration Frequency Over-Ear Wireless Headphones
- USB-C Charging Cable
- Quick Start Guide (not included in this manual)
- Warranty Information (not included in this manual)
3. Product Overview
Familiarize yourself with the components and controls of your headphones.

Image 3.1: Close-up view of the right ear cup, highlighting the control buttons, USB-C port, FSC certified wood, and recyclable aluminum construction.
Controls and Indicators:
- Power Button: Press and hold to power on/off.
- Volume Up (+): Increases volume.
- Volume Down (-): Decreases volume.
- Multi-function Button (MFB): Play/Pause, Answer/End calls, Activate voice assistant.
- USB-C Port: For charging the headphones.
- LED Indicator: Displays power, charging, and Bluetooth pairing status.
- Microphone: Integrated for hands-free calls.
4. Setup
4.1 Charging the Headphones
Before first use, fully charge your headphones.
- Connect the small end of the USB-C charging cable to the USB-C port on the headphone ear cup.
- Connect the large end of the USB-C charging cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging and change color or turn off when fully charged.
A full charge takes approximately 2 hours and provides up to 34 hours of playtime. Quick charge technology allows for up to 4 hours of listening after just 15 minutes of charging.

Image 4.1: Headphones being worn, illustrating the long battery life.
4.2 Bluetooth Pairing
To connect your headphones to a device:
- Ensure the headphones are powered off.
- Press and hold the Power button for approximately 5-7 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Positive Vibration Frequency" from the list of found devices.
- Once connected, the LED indicator will typically show a solid blue light or flash blue slowly.
The headphones will automatically attempt to reconnect to the last paired device when powered on.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button for 2-3 seconds.
- Power Off: Press and hold the Power button for 3-5 seconds.
5.2 Music Playback
- Play/Pause: Press the Multi-function Button (MFB) once.
- Next Track: Press the MFB twice quickly.
- Previous Track: Press the MFB three times quickly.
- Volume Up: Press the '+' button.
- Volume Down: Press the '-' button.
5.3 Call Management
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
5.4 Voice Assistant
- Activate Voice Assistant: Press the MFB once when not on a call or playing music.
6. Maintenance
6.1 Cleaning
- Wipe the headphones with a soft, dry, lint-free cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Avoid getting moisture into any openings.
6.2 Storage
- Store the headphones in a cool, dry place away from extreme temperatures and direct sunlight.
- When not in use for extended periods, charge the battery at least once every three months to maintain battery health.
7. Troubleshooting
If you encounter issues with your headphones, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Headphones do not power on | Ensure the headphones are charged. Connect to a power source using the USB-C cable. |
| Cannot pair with device | Ensure headphones are in pairing mode (LED flashing blue/red). Turn off and on Bluetooth on your device. Forget the device in your Bluetooth settings and try pairing again. Ensure headphones are within 10 meters of the device. |
| No sound or low volume | Check volume levels on both headphones and the connected device. Ensure headphones are properly paired. Try playing different audio sources. |
| Poor sound quality | Move closer to your device to reduce interference. Ensure there are no obstructions between the headphones and the device. |
| Microphone not working | Ensure the headphones are selected as the audio input device in your device's settings. Check for any mute functions on your device. |
8. Specifications
Detailed technical specifications for the Positive Vibration Frequency headphones:
| Feature | Specification |
|---|---|
| Model Name | Positive Vibration Frequency |
| Model Number | EM-JH143-SB |
| Connectivity Technology | Wireless (Bluetooth 5.2) |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Audio Driver Type | 40mm Dynamic Driver |
| Frequency Range | 20 Hz - 20,000 Hz |
| Battery Life | Up to 34 hours |
| Charging Time | Approximately 2 hours (15 min quick charge for 4 hours playtime) |
| Included Components | USB-C Cable |
| Material | Aluminum, FSC Certified Wood |
| Item Weight | 0.57 Kilograms (1.25 pounds) |
| Product Dimensions | 3.25 x 8.49 x 4.67 inches |
| Special Features | Integrated Microphone, Media Control Buttons |
| Compatible Devices | Smartphones, Tablets, Laptops, Desktops |
9. Warranty and Support
House of Marley products are designed and manufactured to the highest quality standards. For detailed warranty information and customer support, please refer to the warranty card included with your product or visit the official House of Marley website. Keep your proof of purchase for warranty claims.





