Help Center
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