- Premium sound quality:Nank 3th ResoVibe™ Technology and OT leakage reduction 3.0 technology, which effectively minimizes the amount of sound that escapes from the headphones.
- Lightweight: Weighs only 26g, provides a comfort experience.
- Bluetooth 5.4 + IPX8 + 8 hours play time + 16 GB MP3 player
Experience Freedom with Open-Ear Design
The Runner 4 bone conduction headphones deliver premium sound while keeping your ears open to ambient sounds, ensuring safety during outdoor activities like running, cycling, and swimming.
Unlike traditional headphones that rely on eardrum vibrations, bone conduction technology delivers sound directly through your skull. By bypassing your eardrums entirely, these headphones send vibrations to your inner ear, keeping you aware of ambient noise—perfect for runners, cyclists, and outdoor enthusiasts.
Experience natural listening freedom with our open-ear bone conduction technology – stay aware of your surroundings while enjoying comfortable, earbud-free audio.
The open-ear design allows you to enjoy music without missing your surroundings
Free Your Hands & Safe And Efficient
With lightweight and extended earhook, the bone conduction headphone is safe for swimming, no worries on battery life.
Quick Charge for Up to 2.5 Hours
With skin-friendly silicone and ergonomic design, the Runner 4 Bluetooth bone conduction headphone is not easy to slip, perfect for swimming ,trail run, park run and bicycle activities.
The Bluetooth headphone have a useful physical button to control playback.You can easily control play, pause, answer calls, and end calls with one hand, allowing you to easily switch between calls and music.
Is this headphone suitable for swimming?
Yes, Nank Runner 4 bone conduction headphone is specially designed for swimming, We enhanced its water resistance. You can get rid of Bluetooth and mobile phones to enjoy music in MP3 mode.
Does Bluetooth Work Underwater?
No, Bluetooth does not work underwater. Bluetooth uses the 2.4GHz radio frequency, which doesn't work properly underwater because water molecules weaken the signal. Bluetooth devices have a transmission range of only a few inches underwater compared to about 30 feet in the air, so with regards to swimming bone conduction headphones we recommend switching to MP3 mode.
How can I download music from my Spotify playlist to the headphones memory?
You can follow the tutorial in this blog to download the music: https://naenka.com/blogs/products/a-comprehensive-guide-how-to-download-spotify-music-for-offline-listening
Does the sound quality sound different from earbud headphones?
The sound quality of bone conduction headphones is not as good as that of earbud headphones due to the different ways in which sound is transmitted and produced.
Does the sound quality sound different from earbud headphones?
The sound quality of bone conduction headphones is not as good as that of earbud headphones due to the different ways in which sound is transmitted and produced.
How to switch between sequential and random playback modes in memory mode?
To switch between sequential and random playback modes in memory mode, press the power button four times consecutively. You'll hear a "beep" sound, indicating a successful switch.
How to switch between Chinese and English language modes?
When the device is powered on, click the volume "+" and "-" buttons at the same time.
How is the waterproof performance of Runner4 headphones?
The waterproof performance of Runner4 is IP68, and it can be immersed in fresh water at a depth of 1.5-3m for 0.5-1 hour. It can cope with daily waterproofing, such as rain, short-term swimming, etc.
How to adjust the tightness of the headphones?
Just pass the knots at both ends of the adjustable silicone belt through the holes on both sides and tie them to the main body of the earphone, and then move the silicone belt forward and backward to adjust the tightness (the knots at both ends of the adjustable earphone line are in the same direction).