Frequently asked questions
Can I use it on both knees at the same time?
The device treats one knee per session (20 minutes each side).
Want to treat both knees at once? Many customers buy 2 units to cut treatment time in half.
Benefits of 2 devices:
✓ Treat both knees simultaneously (20 min vs 40 min)
✓ Always have a backup while charging
✓ Keep one at home, one at office
🎁 BUNDLE DEAL
2 devices for $109.95
⭐ Over 40% of our customers choose the 2-device option
How long until I feel results?
Most customers notice improvement after the very first use. Many report significant pain reduction within 2–14 days of consistent use (2–3 times per day).
How often should I use it?
Recommended: 2–3 times per day for 15–20 minutes per session.
Most customers who see the best results use it:
• Once in the morning
• Once after activity/work
• Once before bed
How long does the battery last?
The high-capacity 3000mAh battery provides 3–5 sessions per charge under normal use.
Charging time: Approximately 2 hours for a full charge.
Note: Battery life may vary based on intensity settings. If you use maximum heat, vibration, and light simultaneously, you may get fewer sessions per charge. Most customers charge it every 2–3 days.
How long does shipping take?
We offer free worldwide shipping with delivery in 5–12 business days. You'll receive a tracking number via email as soon as your order ships (usually within 1–2 business days). Track your package every step of the way to your door.
Is it safe to use every day?
Yes – completely safe for daily use.
KneeRelief Pro™ uses the same FDA-registered wavelengths (660nm + 850nm) used in physical therapy clinics worldwide. Red light and infrared therapy are 100% non-invasive with zero known side effects. This product also have ROHS, FCC and CE certificates.
No risk of:
- Heat burns (stays comfortably warm, never hot)
- Electrical shocks (battery-powered, fully insulated)
- Medication interactions (works independently)
- Tissue damage (actually promotes healing)
Thousands of customers use it 1–3 times daily without issues.
Does it really work, or is it just temporary relief?
Both. You'll feel immediate soothing relief during and right after use. With consistent use (2–3 times daily), many customers report lasting improvement that builds over time.
From reviews:
- "I stopped using it for 3 days and the pain started coming back. Right back on it and pain is gone again."
- "When my knee feels better I forget about using it, then realize it feels better because I do use it."
Think of it like brushing your teeth—consistent use maintains results.