Dual Relief Eases neck & shoulder soreness and stiffness, promotes muscle repair, improves posture. Skin-Friendly Comfort Food-grade silicone fits snugly, comfortable for long wear with no discomfort. Flexible & Convenient Wireless design for use at work, commuting, or home; one-touch adjust traction & red light modes for a personalized experience. Long Battery & Portable 2400mAh large battery, 3–4 hrs full charge for long use; lightweight, easy to carry for on-the-go neck & shoulder care.
36 x 5050 LED chips, red light 630nm (36 cores) + infrared light 850nm (36 cores)
Irradiance
Irradiance Test Standard: In mixed light mode, conduct light intensity testing using a photometer with the wavelength set to the maximum visible wavelength within that mode.
Level 1: Red light plus infrared light at 30 mW/cm², ±10%
Level 2: Red light plus infrared light at 65 mW/cm², ±10%
Level 3: Red light plus infrared light at 95 mW/cm², ±10%
Automatic shutdown time
10min
Charging current
DC 5V 0.6A
Input interface
Type-C
Charging time
4-5h
Battery capacity
3.7V 2400mAh
Product dimensions
Approximately 22 × 18 × 12 cm
Net product weight
0.385kg
Product gross weight (overall packaging)
0.595KG
Output power
6W
Input power
3W
Wireless Neck & Shoulder Relaxer:
Cervical traction + red light therapy for spa-like relief at home, office, or on the go. Dual Relief:
Traction gently stretches the neck, reduces pressure, eases stiffness, improves posture; red light boosts circulation, repairs tissue, reduces inflammation, enhances relaxation, supports muscle health. Comfortable & Portable:
Skin-friendly fit for neck & shoulders; wireless rechargeable, usable while sitting, lying, or driving. Easy to Use:
One-touch adjust intensity & mode; safe, non-invasive, daily use; quickly relieves neck & shoulder discomfort, restores flexibility.
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1,OEM Service MOQ: 500 sets for free customization. Orders below 500 sets require a mold/tooling fee: – Single‑color logo silkscreen customization: 400 RMB. – Packaging customization (color box + manual): 500 RMB. Lead Time: – Prototyping: 5–7 days. – Mass production: 10–15 days after confirmation (exact timeline will be provided upon order). 2,ODM Service MOQ and pricing are evaluated based on product functionality requirements and customization complexity. We recommend that clients provide either a sample of the target product or a detailed functional specification. After analysis, cost assessment for molds, and mass‑production feasibility evaluation, we will provide an accurate MOQ and quotation.
Basic Certifications: All products in our series have passed common international compliance certifications such as CE, FCC, and ROHS, meeting the entry standards for major global markets. Complete certification reports are available for review. Specialized Certifications: Currently, 6 face mask products have successfully obtained 510K certification (supporting certificates and corresponding product images are available), providing medical‑grade safety endorsement. Customized Certification Support: If a required certification is not listed above, we can assist in obtaining the corresponding certification after order confirmation. We adopt a “production and certification parallel processing” approach, which does not extend the core delivery timeline. Specific certification types, costs, and timeframes will be communicated and confirmed in advance.
Our new products have applied for U.S. patent certification, which typically takes about 6 months to be granted.
Absolutely, we want you to feel confident at every step of using our products. Our return policy allows you to try any kisfir product purchased online for 60 days. If you are not satisfied with the results, simply return the product and we will arrange a refund (less shipping and handling fees).
Yes, we ship worldwide. Simply enter your shipping address during the purchase process.
We are a source manufacturer with our own factory. This vertical integration allows us to respond swiftly to market demands and maintain strict control over costs. We provide our clients with a flexible, efficient, and one-stop solution, seamlessly supporting projects from OEM/ODM to independent brand production.
Our Core Services
Specialized in OEM & ODM Manufacturing We have extensive expertise in fulfilling both OEM (Original Equipment Manufacturing) and ODM (Original Design Manufacturing) orders, ensuring precision and reliability tailored to your specific requirements.
Comprehensive Customization & Development
1、OEM Services: Customize key elements including product color, logo, packaging, and exterior appearance to align with your brand identity.
2、ODM Services: We offer end-to-end support from product design, structural engineering, and R&D to processing and mass production, turning your concepts into market-ready goods.
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