NANK Runner4 Bone Conduction Headphones User Manual

Introduction

Thank you for choosing the NANK Runner4 Bone Conduction Headphones. These open-ear headphones are designed for comfort and safety, allowing you to enjoy audio while remaining aware of your surroundings. Featuring IP68 waterproofing and a built-in 16GB MP3 player, they are ideal for various activities including running, cycling, and swimming.

Image: NANK Runner4 Bone Conduction Headphones, showcasing their waterproof design with water droplets and an included protective hard case.

Package Contents

• 1 x NANK Runner4 Bone Conduction Headphones
• 1 x Hard Case (approximately 4.33 x 2.55 inches)
• 1 x Charging Cable
• User Manual

Image: The NANK Runner4 hard case opened, revealing the headphones, charging cable, and earplugs stored neatly inside.

Setup

Charging the Headphones

Before first use, fully charge your NANK Runner4 headphones. Connect the provided charging cable to the charging port on the headphones and the other end to a USB power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status.

• A full charge takes approximately 1.6 hours.
• A 10-minute quick charge provides approximately 2 hours of playtime.

Bluetooth Pairing

1. Ensure the headphones are powered off.
2. Press and hold the power button until the LED indicator flashes red and blue, indicating pairing mode.
3. On your device (smartphone, tablet, etc.), enable Bluetooth and search for "NANK Runner4".
4. Select "NANK Runner4" from the list of available devices to connect. A voice prompt will confirm successful pairing.

The headphones utilize Bluetooth 5.4 for a stable and low-latency connection.

Image: An exploded view diagram illustrating the internal components of the NANK Runner4 headphones, highlighting the bone conduction transmission mechanism and the integrated Bluetooth 5.4 chip.

Loading MP3 Files (Internal Storage)

The NANK Runner4 headphones feature 16GB of internal storage for MP3 files, allowing you to listen to music without a connected device.

1. Connect the headphones to your computer using the provided charging cable.
2. The headphones will appear as a removable disk drive on your computer.
3. Drag and drop your desired MP3 audio files into the headphone's storage folder.
4. Safely eject the device from your computer before disconnecting the cable.

The 16GB storage can hold approximately 2000 songs.

Operating Instructions

Basic Controls

• Power On/Off: Press and hold the power button for 3 seconds.
• Play/Pause: Press the multi-function button once.
• Volume Up/Down: Press the Volume + / Volume - buttons.
• Next Track: Press and hold Volume + for 2 seconds.
• Previous Track: Press and hold Volume - for 2 seconds.
• Answer/End Call: Press the multi-function button once during an incoming call.
• Reject Call: Press and hold the multi-function button for 2 seconds during an incoming call.

Switching Modes (Bluetooth / MP3)

The headphones can operate in two modes: Bluetooth mode for wireless connection to your device, and MP3 mode for playing files from internal storage.

• To switch between modes, double-press the multi-function button. A voice prompt will indicate the current mode.
• Note: Bluetooth mode is not recommended for use while swimming due to signal interference in water. Use MP3 mode for swimming.

Wearing the Headphones

Position the transducers on your cheekbones, just in front of your ears. The band should rest comfortably behind your head. The open-ear design ensures awareness of your surroundings.

Image: A woman wearing the NANK Runner4 headphones, demonstrating the comfortable and secure fit, highlighting the open-ear design that allows for ambient sound awareness.

Using for Swimming (IP68 Waterproof)

The NANK Runner4 headphones are IP68 rated, making them suitable for swimming. Ensure you are in MP3 mode before entering water.

Image: A person swimming underwater while wearing the NANK Runner4 headphones, demonstrating their IP68 waterproof capability for aquatic activities.

Maintenance

Cleaning

• Wipe the headphones with a soft, damp cloth after each use, especially after exposure to sweat or water.
• Do not use abrasive cleaners or solvents.
• Ensure the charging port is dry before charging.

Storage

• Store the headphones in the provided hard case when not in use to protect them from dust and physical damage.
• Store in a cool, dry place, away from direct sunlight and extreme temperatures.

Troubleshooting

Specifications

Image: Detailed dimensions of the NANK Runner4 hard case, showing its length (5.51 inches / 14 cm) and height (4.33 inches / 11 cm), with an inner height of 2.55 inches (6.5 cm).

Warranty and Support

Your NANK Runner4 Bone Conduction Headphones are covered by a return policy. For specific details regarding warranty coverage and return procedures, please refer to the purchase platform or contact NANK customer support.

For further assistance or to explore other NANK products, visit the official NANK Store:

Visit the NANK Store on Amazon

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