Product: Red Light Therapy Belt (660nm + 850nm) Key benefits Dual-wavelength clinical performance: 660 nm red light supports improvement of common skin concerns; 850 nm near‑infrared light penetrates deeper to assist muscle repair and reduce joint stiffness. Portable and easy to use: lightweight design fits comfortably over the hand while sitting, lying down, or walking, so you can use therapy without interrupting daily activities. Professional-grade and certified: used by many medical professionals and backed by international certification for safety and performance. What it does for you Targets skin issues with 660 nm red light to support skin appearance and recovery. Reaches deeper tissues with 850 nm near‑infrared light to aid muscle recovery and ease joint stiffness. Offers a convenient, wearable format so you can apply therapy where you need it without bulky equipment. Compatibility and power Power options: device can be plugged into a mains power source or connected to any portable battery (portable battery not included). Recommended adapter: if you do not use a power pack, use a power cord with adapter supporting wide input voltage DC 100–240 V, AC 5V2A for longer reach, greater safety, and broad compatibility. Lightweight and compact: easy to carry in a handbag for use at home, in the office, or while traveling. Comfort and use Designed for comfortable wear over the hand and similar areas; suitable for use when seated, reclining, or moving around. Simple operation and no bulky cords required when using a portable battery. Typical applications (use scenarios) At the office: wear the belt over your hand or wrist while working to deliver consistent therapy without interrupting your day. At home after exercise: apply to sore muscles or joints to support recovery and reduce stiffness. While traveling or on the go: tuck the device into a bag and power it from a portable battery for convenient therapy during trips. What’s not included Portable power pack/battery is not included. If you don’t use a dedicated power pack, use a compatible power cord and adapter (DC 100–240 V, AC 5V2A) or your own portable battery. Specifications Wavelengths: 660 nm (red) and 850 nm (near infrared) Form factor: wearable belt designed to fit comfortably over the hand and similar areas Power: mains or portable battery operation (battery not included) Professional, certified performance in a compact, easy-to-use wearable format—designed for skin support, muscle repair, and improved joint comfort with flexible power options for home, office, or travel use.