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The Basics

Introducing the Lief Program

U.S. Orders

Ordering information for U.S. customers

U.S. Insurance Eligibility

Insurance information for patients and providers

U.S. Cancellation & Return Policy

Ending subscriptions and returning orders

International Orders

Ordering information for customers outside the U.S.

Coaching Subscription

Starting and ending Lief's coaching subscription

Getting Started

You've received your Lief, now what?

Bluetooth & WiFi Connectivity

Tips on resolving connectivity issues

Charging & Battery Life

How to charge your Lief and check battery life

Lief Stickers

Purchasing and wearing Lief's ECG stickers

Wearing Lief & Strap

How and when you can wear your Lief

Safety & Maintenance

Taking care of your Lief

Heart Rate Variability 101

HRV basics and why it matters for mental health

Lief Data

Data access in the Lief app

Lief’s HRV Biofeedback Exercise

Info on Downtime Doses and Autodosing

Provider Information

Information for healthcare professionals who want to share Lief with patients or clients

Lief AI

Lief AI is next-gen HRV-biofeedback designed to help you regulate your nervous system and build resilience.