Frequently Asked Questions

About the Breathing Trainer

How does the RESFIT Breathing Trainer work?

The RESFIT Breathing Trainer uses calibrated resistance to challenge your respiratory muscles during inhale and exhale. Training against resistance can help strengthen the diaphragm and intercostal muscles over time, similar to how progressive resistance supports other muscle groups.

How often should I train with it?

We recommend 5–10 minutes per day, 5–6 days per week. Most users notice breathing control improvements after a few weeks of consistent use. See our How To Use guide for training protocols.

Is it suitable for beginners?

Yes. Start with the easiest resistance level and progress gradually as your breathing muscles adapt.

Orders and shipping

How long does shipping take?

Orders are processed within 1–3 business days. Estimated delivery is typically 7–15 business days for the United States, 10–18 business days for the United Kingdom, and 10–20 business days for Australia and many international destinations.

How much is shipping?

Standard shipping is $4.95 USD for orders under $75. Orders of $100 or more unlock your first free gift, and orders of $150 or more unlock a second free gift. Final shipping options appear at checkout.

How do I track my order?

Visit our Track Your Order page and enter the tracking details from your shipping email.

Returns and guarantee

What is your return policy?

We offer a 30-day money-back guarantee. If you are not satisfied, contact us within 30 days of receiving your order and we will help with the next step.

How do I start a return?

Contact us through our contact page or email resfit.store@gmail.com with your order number.

Product care

How do I clean the Breathing Trainer?

Rinse the mouthpiece with warm water after each session and let it air dry completely before storage.