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Sgnl is the smart strap that enables you to answer phone calls through your fingertip. Simply place your fingertip to your ear while speak through the embedded microphone. Replace your existing watch strap with Sgnl and you’re done, whether you wear a classic watch or an Apple Watch, Samsung Gear, or Pebble Time. 

Sgnl in the Media

Fingertip Communication

Hear your caller’s voice simply by placing your fingertip on your ear as you speak through a microphone embedded in the Sgnl strap.  

How Sgnl Works

Sgnl receives voice signal from your phone through Bluetooth. When a voice signal is received, Sgnl will generate vibration through its Body Conduction Unit (BCU) which transmits the vibration through your hand to your fingertip. As transmission is made through vibrations, there is no risk of harm to the human body. When you place your fingertip to your ear, the vibration echoes to create amplified sound within the closed space of your ear.

Sound Quality Test

The Blue graph represents the original sound signal, as inputted and the Magenta graph represents sound signals when received through the tip of the fingertip. In the transmission of speech, the voice frequency ranges approximately around 2000 Hz. Within this range, the sound signals through the fingertip don’t show much variation from the original inputted sound signal.

However, when this 2000Hz threshold is exceeded, the disparity between the sound signals begins to grow. This growing variance shows that it can be difficult to experience high quality sound when listening to music through the fingertip. 

With Sgnl, our primary focus is the transmission of the human voice, therefore we continue to diligently work towards lessening variation in that frequency range. Once frequency response in that range meets our standards, we have plans to extend Sgnl’s functionality to work across a wider range of frequencies.

Hear the Evolution of Sgnl: A comparative sound quality test

January 2016 (featured at CES)

 May 2016

 July 2016 (featured at IFA)

Watch Compatibility

Sgnl is a wearable smart strap, a watch companion. It is designed to fit all sorts of classic and smart watches with its specially designed lug adapter. Upgrade your watch strap now!

Even if you wear your watch on your right hand, ensure that Sgnl main body & Sgnl band are attached in the same position in relation to the watch face: Attach the band at the 12 o' clock position and connect Sgnl at the 6 o’clock position

Watch Compatibility Guide

The Sgnl App

Experience More in Your Life

The Sgnl works seamlessly with the Sgnl app to make your day healthier, more manageable, and organized. 

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Hardware & Specification

What's included in the package

Our Team

About Innomdle Lab

Sgnl is the brainchild of Innomdle Lab, the first company ever to officially spin off from Samsung Electronics. Pronounced ‘i-nom-dul’, it means ‘dudes’ or ‘guys’ in Korean with an added nuance of friendliness and intimacy. It also stands for 'Innovation Medley', which conveys the team’s ambition for the endless pursuit of innovation through resolving daily discomfort with ground-breaking technology. 

Innomdle Lab began as an internal project of Samsung through its new internal acceleration program, C-LAB, in 2014. In September 2015, after only about a year of acceleration and incubation, Innomdle Lab became the first company to officially spin off from Samsung, because of its outstanding performance. Upon incorporation, Samsung contributed a small amount of seed funding, with no board seats. Although Innomdle Lab began within Samsung, it is now a fully independent company with all IPs, and no board seats available to people outside of the company.

Story & Timeline

With just a small simple idea, CEO Hyunchul Choi developed Sgnl after winning 1st place during Samsung's C-LAB competition in 2014. He stated, "A colleague was boasting about his smart watch, but was embarrassed by the fact that everyone around him could hear the conversation. As the number of smart watch users increases, they will all face the same problem." From there, CEO Choi began to wonder if there was a way to solve this and came up with the idea of using one's finger to transmit sound. He immediately proposed the idea to Samsung's internal corporate venture department and thus Sgnl was born.

Evolution of Sgnl

We believe in the power of design. We’ve gone through numerous prototypes to make Sgnl sleek and easy to use. Take a look below to see how Sgnl has evolved from its first prototype to its current and final design (5th generation, Sgnl).