QuasarMD Neck Bundle

The frequency and duration of red light therapy usage can vary based on individual needs and the specific condition being treated. It's generally recommended to start with short sessions (e.g., 15-30 minutes per session，3-4 times per week) and gradually increase the time as tolerated.

• Number of Wavelengths：2
• Wavelengths：660nm+850nm
• Number of LEDs: 1026@660nm, 1026@850nm,2052 LEDs in total
• Irradiance: 120mw/cm² @ 0"
• Dimensions: 71" x 23"
• Weight: 20 lbs
• Warranty: 1 Year
• Lifespan: 80,000 hrs

Shipping & Returns Information

Fast & Reliable Shipping

Most orders are processed and shipped within 1 business day and typically arrive within 3-5 business days. We also offer global shipping, delivering to most international countries.

Hassle-Free Returns

Your satisfaction is our priority! We offer a 100% satisfaction guarantee. If you're not fully happy with your purchase, you can return it within 100 days for a full refund — even if the product has been opened or used.

For quality-related returns, we’ll cover the return shipping costs to make your experience as smooth as possible. For other returns, the customer is responsible for the return shipping.

Trusted Delivery Partners

We rely on trusted carriers like USPS, DHL, and FedEx to ensure your order reaches you safely and promptly.

1. What is the QuasarMD Full Body Light Therapy Sleeping Bag and how does it work?

The Sleeping Bag is a full-body wrap style light-therapy device designed to deliver red (660 nm) and near-infrared (850 nm) light wavelengths simultaneously across your body. It uses thousands of LED beads embedded in the fabric to penetrate deep into muscles, joints and tissue — supporting circulation, reducing inflammation, aiding recovery and improving sleep quality.

2. What benefits can I expect from using it?

• Full-body muscle and joint recovery: the wrap-around design covers your entire body at once.
  
• Improved sleep and rest: the light therapy supports melatonin production and helps your nervous system relax.
  
• Skin health, circulation, metabolism: regular sessions support skin rejuvenation, better blood flow, and general wellness.
  

3. What are the recommended usage guidelines?

• Start with sessions of 15-30 minutes, about 3-4 times per week.
  
• It is recommended not to use the Sleeping Bag for more than 30 minutes at a time without break.
• For recovery or sleep support, most users find 20-30 minutes in the evening works well.
  
• Always lie down flat, relax while the device works, and follow safety settings.
  

4. What safety precautions should I take?

• Ensure you’re using the bag on an appropriate surface and with adequate ventilation — avoid heavy blankets that may trap heat.
  
• Protect your eyes if the light comes near your face; avoid direct eye exposure or use protective eyewear.
  
• 
  
• If you are pregnant, have a serious medical condition, have photosensitivity, or take medication that increases light sensitivity, please consult your physician before use.
  
• Although the device is built with safety controls (cool-to-touch materials, regulated LEDs), always monitor how your body responds during your first sessions.
  

5. How does the Sleeping Bag differ from a light therapy mat or panel?

• 
  
• Unlike a mat which you lie on, the Sleeping Bag wraps you around in a “bag” style, offering 360° full-body coverage — light exposure from more angles.
  
• Because it covers you entirely, you don’t need to turn over or reposition for full coverage.
  
• It’s more relaxing and convenient for full-body recovery or sleep support compared to standing/sitting in front of a panel.
  

6. When will I see results?

• Some changes — such as feeling more relaxed, improved sleep or reduced soreness — may be noticed within a few sessions.
  
• For more visible changes (e.g., skin texture improvement, deep-tissue recovery) consistent use over several weeks is recommended. Patience and regularity matter.
  
• Keep track of your sessions and any changes in how you feel to get a better sense of your progress.
  

7. What are the technical specifications and product details?

• Wavelengths: 660 nm + 850 nm dual wavelength.
  
• LED Count: 1026 @ 660 nm + 1026 @ 850 nm = total approx 2,056 LEDs.
  
• Irradiance: up to ~120 mW/cm² @ 0" (for full-body model).
  
• Dimensions: approx 71" x 23" (may vary).
  
• Weight: ~20 lbs (approx).
  
• Warranty: 1 year standard.
  
• 
  
• Lifetime: ~80,000 hours LED lifespan.
  

8. How should I set it up and place it for optimal results?

• Lay the sleeping bag on a flat surface — bed frame, mattress, floor — ensuring it’s smooth and free of ridges.
  
• Slip inside the bag so your body is evenly wrapped; you may zip it up if the design allows.
  
• Lie still for the session, relax, minimize movement and let the light do the work.
  
• You may combine with quiet reading, audio meditation or pre-sleep relaxation.
  

9. Are there any reported negative effects or risks?

• The device is generally considered safe when used as directed. However:
• 
  
• 
  
• Some users may feel mild warmth or slight redness shortly after use — this is normal and typically resolves quickly.
• 
  
• 
  
• Using for too long, or under heavy blankets without ventilation, may cause overheating or discomfort.
• 
  
• 
  
• If you feel discomfort, dizziness, or any adverse reaction, stop use and consult a healthcare professional.
• 
  
• 
  

10. What should I look for when purchasing a light therapy sleeping bag?

• Verified dual-wavelength (660 nm & 850 nm) output for broad performance.
  
• High LED count / dense matrix for full-body coverage.
  
• Proper safety certifications, clear usage instructions and warranty.
  
• Ease of set-up, comfortable material design and solid manufacturer support. The QuasarMD Sleeping Bag meets these criteria and is positioned as a professional-grade home-use device.