February 13, 2024
Y4.com Co.,Ltd.

Vital Gain revolutionizes alcohol management!
Newly releases an 'Alcohol Checker' feature to comply with legal obligations.
Y4.com Co.,Ltd (Headquarters: Chiyoda-ku, Tokyo, CEO: Yukinao Ajima) has newly added an "Alcohol
Checker" feature to its health management app "Vital Gain." This feature allows users to easily understandand manage their alcohol consumption situation.
■Background
Vital Gain" was developed to support the implementation of alcohol checks in the workplace, which havebeen gradually mandated from April 2022. From December 2023, certain companies have been legallyrequired to conduct alcohol checks using devices, and this new feature is designed to automatically link
data (measurement results) from the alcohol checker to the app, making it easy to record. This allows
companies to contribute to improving employee health management and safety.
■Service Features:
The newly added "Alcohol Checker" feature in the "Vital Gain" app utilizes Bluetooth technology to easilysync data from the alcohol checker device and record measurement results in real-time. This feature has
been added to the dashboard, designed to allow users to conveniently track and manage their alcohol
consumption situation.
Vital Gain 'Alcohol Checker' screen image

■How to Use the "Alcohol Checker
To start an alcohol check, first turn on the power of the alcohol checker device and prepare it. Next, openthe "Vital Gain" app and go to the "Alcohol Checker" section, then tap the "Start Measurement" button.
Once the available Bluetooth devices are displayed, select the alcohol checker you want to connect to.
Once the connection is established, a sound will play, and the measurement will begin when you blow intothe device for about 5 seconds.
Vital Gain app and Alcohol Checker measurement image

After the measurement is complete, the alcohol checker displays the result, and simultaneously, the result
is automatically reflected in the "Vital Gain" app. The measurement history is recorded along with the dateand time, allowing you to review it later. *For detailed instructions on how to measure, please refer to theinformation icon on the "Alcohol Checker" page within the "Vital Gain" app.

The "Alcohol Checker" feature of "Vital Gain" is an innovative tool designed to make alcoholconsumption management easier and more effective. With this feature, individuals canbetter manage their health, and companies can protect the safety and health of theiremployees.

■Vital Gain Service Overview

Vital Gain" is a health management app that tracks and collects vital data across multipledevices. It offers immediate insights into daily health by measuring steps, heart rate, sleep,and depending on the device capabilities, it can also monitor the balance of energy intakeand expenditure, respiratory rate during sleep, blood oxygen levels, epidermal temperature,and epidermal pressure.

"Vital Gain" features a rich set of behavior change functionalities, including a dashboard visualizing over
50 types of data, various contests with gamification elements, incentives for behavior change, advice basedon lifestyle logs, and community, feed, and online functionalities like ZOOM. These vital data can beprovided in various ways to meet the needs of companies and local governments, making it a valuable toolfor efforts aimed at extending healthy lifespan.
Moving forward, by integrating IoT and healthcare, we will continue to extend healthy lifespans, strive toreduce healthcare costs and prevent diseases. Through "Vital Gain," we aim to innovate individual healthmanagement and focus on providing sustainable healthcare solutions.
【Y4.com Co.,Ltd. Overview】[[Location] 4F Otemachi First Square East Tower, 1-5-1 Otemachi, Chiyoda-ku, Tokyo[Established]

April 2012

[Representative] CEO Yukinao Ajima[Business Description] Healthcare Services Business, Import and Sale of IoT Devices Business[URL] https://y-4.jp/〈Inquiries Regarding This Matter〉
Y4.com Co.,Ltd. Administration Department
E-mail：info@y-4.jp