BONX intro knot 3.5M

Open-ear earphones, jointly developed with NTT Sonority Inc. Featuring NTT's proprietary PSZ (Personalized Sound Zone) technology, which "confines sound only to the ear area," this design minimizes the sound leakage often associated with open-ear earphones.
As wired earphones with a built-in microphone, you'll never have to worry about battery life.
Experience next-generation, long-distance communication with this transceiver that uses internet connectivity, allowing you to talk without distance limitations.

6 Key Points

Simple One-Tap Calling

A voice-centric communication method designed specifically for on-site, deskless workers.

Unlimited Communication Range

The BONX WORK app utilizes internet calling, providing an unlimited communication range. Distance and even national borders are no obstacle.

Equipped with NTT-Developed PSZ Technology

PSZ technology, the core technology of the intro knot 3.5M, was developed by NTT engineers. This technology confines audio to the ear area without blocking the ear canal, minimizing sound leakage.

Open-Ear Design That Doesn't Block Your Ears

Because your ears remain open, you can engage in natural face-to-face conversations even while wearing the earphones.

Supports Two-Way Communication with Large Groups

The BONX WORK app enables simultaneous calls with over 500 people.

Wired Model for Extended Use

So comfortable, you'll forget you're wearing them. Being a wired model, you can use them continuously without any concerns about earphone battery life.

Earphone Jack

If your smartphone does not have an earphone jack, a separate adapter will be required. Please purchase an adapter compatible with your device's port. We recommend using genuine adapters from your device manufacturer.