zefCare - A tiny MIDI breath controller with integrated sobriety test!

zefCare - The world’s smallest music controller, now with a built-in personal sobriety check!

Just connect it to your smartphone via USB-C, blow into zefCare… and in seconds you can play and get a quick personal sobriety estimate.

zefCare combines the playful spirit of zefiro with a new everyday purpose. Small, fun, and practical, it lets you turn your smartphone into an interactive musical instrument while also giving you a quick awareness check when you need it most.

Designed for musicians, students, tech lovers, and anyone looking for a smart and useful gadget, zefCare is compact, ultra-lightweight, and always ready in your pocket. It is an innovative and accessible device made to bring together creativity, fun, and awareness in one tiny product.

Play, have fun, and stay aware. zefCare is the next evolution of zefiro.

What is zefCare?

A small accessory for a smarter everyday experience: zefCare connects directly to your smartphone and gives you two functions in one compact device.

It lets you enjoy music in a simple and intuitive way, just like zefiro, while also helping you quickly check your sobriety level before driving or doing activities that require focus.

Compact, affordable, and extremely easy to use, zefCare is designed for everyone. It is more than just a gadget: it is a practical companion you can always carry with you.

A new way to play and stay aware

Music and awareness in one device.

Small enough to always be with you.

What makes zefCare special?

zefCare takes the core idea of zefiro and gives it a new purpose.

It is not only a music controller, but also a personal tool that helps you understand if it might not be the right moment to drive. Just blow into the top sensor, follow the instructions on your smartphone, and get your result in seconds.

Fast, practical, and always connected, zefCare is designed to be useful anywhere.

Using zefCare is simple:

Connect zefCare to your smartphone via USB-C, follow the on-screen instructions, and in a few seconds you are ready to use it.

Simple.

Use it whenever you want to enjoy music, express yourself, or get a quick personal check before doing something that requires clarity and attention.

Features

• Lightweight and ultra-compact

• Roughly the size of a USB stick

• USB-C connection to smartphone

• No batteries required

• Quick personal sobriety check in seconds

• Also works as a music controller

• App-guided experience

• Portable and always ready to use

Portable.

Do you want a small device that is always with you and ready when needed?

Thanks to its tiny size, zefCare fits easily in your pocket and connects instantly to your smartphone. Whether you want to play, have fun, or get a quick awareness check, it is always there when you need it.

Use the included accessories to carry it with you wherever you go.

Small, smart, and useful.

zefCare is one of the smallest devices of its kind, combining music and awareness in a single compact accessory.

It delivers quick results in seconds, works without batteries, and stays powered simply by being connected to your smartphone.

Versatile

zefCare is designed to fit naturally into everyday life.

Use it as a creative musical accessory, as a practical awareness tool, or simply as an original and smart gadget to carry with you at all times.

It is easy to use, accessible, and designed to make technology feel both fun and genuinely useful.

Important note

zefCare is designed as a personal awareness tool only. It is not a legal-limit checking device and it is not classified as a medical device.

• Open the box

• Connect zefCare

• Follow the instructions

• Blow

• Check

• Play