1. Introdución
Thank you for choosing the Comfytemp Cordless Red Light Therapy Shoulder Wrap. This device is designed to provide targeted red light and near-infrared light therapy to the shoulder area. Please read this manual thoroughly before use to ensure safe and effective operation.

Image 1: Comfytemp Cordless Red Light Therapy Shoulder Wrap in use, highlighting the red light emission.
2. Contido do paquete
Ao desembalar, asegúrese de que todos os elementos enumerados a continuación estean presentes e en bo estado:
- Comfytemp Red Light Therapy Shoulder Wrap
- Rechargeable Battery/Controller Unit
- Cable de carga USB
- Correa de extensión
- Manual de usuario

Image 2: Illustration of the main components included in the package.
3. Características do produto
- Deseño sen fíos: Equipped with a 7.2V 5000mAh rechargeable battery, offering up to 380 minutes of use on a full charge (up to 90 minutes on the highest setting).
- 94 LEDs Red Light Therapy: Features 94 lamp beads, combining visible 660nm red light and invisible 850nm near-infrared light for targeted application.
- 3D Embrace Design: Ergonomically shaped to fit the shoulder's contours for comfortable and effective coverage.
- Opcións de control dual: Can be operated via simple on-device buttons or through a convenient mobile application.
- Ajuste axustable: Designed to fit chest sizes from 21" to 43" (up to 48" with the included extension strap) and arm sizes from 10" to 14".

Imaxe 3: Interna view of the device's battery, highlighting its capacity.
4. Instrucións de configuración e uso
4.1 Carga do dispositivo
Before first use, fully charge the battery/controller unit using the provided USB charging cable. The indicator light will show charging status.
4.2 Attaching the Controller
The controller unit attaches magnetically to the designated area on the shoulder wrap. Ensure it is securely fastened before wearing.
4.3 Wearing the Shoulder Wrap
- Place the shoulder wrap over the affected shoulder.
- Secure the arm strap around your bicep using the Velcro closure.
- Bring the chest strap across your body and secure it to the front of the wrap using the Velcro closure.
- Adjust all straps to achieve a snug yet comfortable fit. If needed, use the included extension strap for larger chest sizes.

Image 4: Visual instructions for correctly wearing the shoulder wrap.
4.4 Sizing Information
The wrap fits chest sizes up to 43" (48" with extension strap) and bicep circumference up to 14".

Image 5: Sizing guide for optimal fit of the shoulder wrap.
Helpful Video: Quick Intro for Cordless Red Light Wrap
Video 1: A brief introduction to the Comfytemp Cordless Red Light Wrap, demonstrating its features and ease of use.
5. Instrucións de funcionamento
5.1 Encendido/apagado
Press and hold the power button on the controller for 3 seconds to turn the device ON or OFF.
5.2 Axuste da intensidade
Use the intensity buttons (+/-) on the controller to select from 5 intensity levels (H1 to H5). Each level increases light output by 15%.
5.3 Selecting Light Mode
The device offers different light modes: Red Light (660nm), Near-Infrared Light (850nm), or a combination of both. Select your desired mode using the mode button on the controller.
5.4 Configuración do temporizador
The timer can be set between 5 and 30 minutes. The device will automatically shut off once the set time has elapsed.
5.5 App Control (Optional)
For added convenience, the device can be controlled via a mobile application. Download the app using the QR code provided in the package or search for 'Comfytemp' in your app store. The app allows for remote adjustment of settings.

Image 6: Demonstrating the mobile application control feature for the device.
Helpful Video: Cordless Red Light Therapy for Shoulder
Video 2: A demonstration of the cordless red light therapy device for the shoulder, showing its application and features.
6. Consellos de uso
- It is recommended to use the device for 20 minutes daily as part of a relaxation routine.
- During the first week of use, you may experience localized warmth and comfort, which is normal.
- With continued use for over 3 weeks or longer, you may experience more relaxation.
- Wearing clothes of different colors or thickness may cause some light to be absorbed, potentially reducing effectiveness.

Image 7: Expected effects over different periods of consistent use.
7. Especificacións do produto
| Especificación | Detalle |
|---|---|
| Número de modelo | K4025 |
| Batería | 1 Nonstandard Battery (included), 7.2V 5000mAh |
| LEDs | 94 (660nm Red Light, 850nm Near-Infrared Light) |
| Usage Time (Full Charge) | Up to 380 minutes (90 minutes on highest setting) |
| Dimensións do paquete | 12.56 x 11.61 x 4.92 polgadas |
| Peso | 2.01 libras |
| Fabricante | Shenzhen Yicai Health Technology Co., Ltd |
8. Información de seguridade
Exención de responsabilidade legal: Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Consult with a healthcare professional before using this device, especially if you have pre-existing medical conditions, are pregnant, or are taking medications.
Do not use the device on broken skin or open wounds. Avoid direct eye exposure to the LED lights. Keep out of reach of children.
9 Solución de problemas
- O dispositivo non se acende: Ensure the battery/controller unit is fully charged and securely attached. Press and hold the power button for 3 seconds.
- Lights not visible: Some LEDs emit near-infrared light (850nm) which is invisible to the naked eye. Visible red lights (660nm) should be apparent.
- A aplicación non se conecta: Ensure Bluetooth is enabled on your mobile device and the Comfytemp app is updated to the latest version.
- Insufficient warmth: The device provides gentle warmth. Ensure the device is in direct contact with the skin (or thin clothing) and the intensity is set to a higher level.
10. Mantemento
- Limpa o dispositivo regularmente cun pano suave eamp pano. Non use produtos químicos agresivos ou produtos de limpeza abrasivos.
- Asegúrate de que o dispositivo estea completamente seco antes de gardalo ou recargalo.
- Garde o dispositivo nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas.
11. Garantía e soporte
For warranty information, technical support, or any inquiries regarding your Comfytemp product, please refer to the contact details provided in the separate warranty card included in your package or visit the official Comfytemp websitio.
Helpful Video: Red Light Therapy for Shoulder
Vídeo 3: Unha análise detalladaview of red light therapy for the shoulder, demonstrating its benefits and proper usage.





