This is how we give you a better quality of life.
Our motto
We develop smart tech-med solutions that reduce pain and restore the joy of movement – whether it's for joints, muscles, or everyday tension. Each of our products follows the same principle: scientifically sound, intuitive to use, and ready to integrate seamlessly into your everyday life.
One in three knees suffers from osteoarthritis – we bring movement back.
















Now permanently cheaper!
3-in-1 knee therapy device – wireless infrared, laser & vibration therapy
Infrared combined with vibration is an evidence-based method for pain relief

Relax now – later, pain-free throughout the day
Experience the benefits of targeted Tech-Med therapy: Our jackrelief® 3-in-1 knee massager combines deep heat, airbag compression, and laser pulses to loosen stiff joints and gradually restore your range of motion. Just a few applications per week can provide noticeable relief—whether after exercise, at the office, or on the couch.
Our customers are also convinced¹
report less pain after regular use
experience noticeably more freedom of movement in everyday life
are pain-free after just a few months
¹ Based on anonymous customer surveys
FAQ
Shipment
Currently to Germany and the EU. Shipping to the US and Australia is also supported.
Since we ship to many countries around the world, shipping times can vary depending on the country and region. These are our average shipping times: - USA: 8-14 business days - Australia: 10-14 business days - European Union: 7-12 business days. If shipping is within a special region or island, shipping may be delayed by a few days. Please also note that processing time of 24 hours until your order is confirmed is not possible. No deliveries are made on Sundays and public holidays.
After shipping, you'll receive an email with a tracking link. Alternatively, you can track your shipment directly on our website using the tracking number in the navigation menu under "Tracking."
Payment & Guarantee
Klarna, PayPal, Sofortüberweisung, credit card (Visa, Mastercard, AmEx), Apple Pay, Google Pay.
Checkout is SSL encrypted & PCI-DSS compliant; no storage of your card details.
Try it risk-free for 30 days – no favors = full refund.
24-month manufacturer's warranty on all devices.
Product information
Design & QC in Germany, final assembly in an ISO 13485 certified facility in Shenzhen.
15-20 minutes per knee is sufficient.
Yes, you can use our 3-in-1 vibration & infrared therapy device for different body regions such as shoulder or elbow
Order & Customer Support
Within 12 hours by email – as long as it hasn't been sent yet, we'll adjust everything free of charge.
Simply send us an email to support@jackrelief.com – we will respond within 24 hours (working days) or use our "Help & Contact" page.