【Advanced 70-Bead Red Light Therapy for Knee】Enjoy wider red light coverage with 70 upgraded beads—twice as many as most models. The blend of 660nm and 850nm red light reaches surface and deep areas to help relieve knee pain. Additional light beads are placed behind the knee (popliteal area) for full-coverage illumination, delivering soothing relaxation. Choose from 5 modes, including 10Hz and 40Hz pulses, for your preferred comfort level. 【Cordless Power with 5000mAh Battery】Enjoy full mobility with a high-capacity 5000mAh rechargeable battery for long-lasting cordless performance. The Type-C fast charging port ensures quick and convenient recharging, allowing you to use it anywhere—at home, in the office, or on the go. Ideal for active users who value freedom and comfort in their daily relaxation routines. 【5-Level Soothing Heat & 5 Vibration Modes】Customize your comfort with 5 adjustable heat levels (104°F–126°F) and 5 vibration intensities. The gentle warmth helps improve comfort around the knees, while rhythmic vibration helps relax muscles. Ideal for athletes, office workers, and seniors looking for daily knee relaxation and flexibility. 【Ergonomic Fit for Knee Curve】Designed to match your knee natural shape, this 3D ergonomic knee wrap conforms comfortably around the knee. The adjustable straps provide a secure, personalized fit and accommodate calf sizes up to 25.6 inches and thigh sizes up to 29.5 inches. 【Dual Pulse Red Light Modes】This knee massager features dual-frequency red light — 10Hz and 40Hz. The 10Hz pulse gently works on surface areas, while the 40Hz pulse reaches deeper for a more immersive experience. The alternating pulse patterns create personalized experience, helping knee relaxed and comfortable. 【Smart Controller】The controller features individual buttons for heat, vibration, and red light mode, making operation simple and intuitive. Each function is clearly separated. No complex settings – ideal for elderly users and first-time therapy device owners. CooCoCo Red Light Therapy Knee Massager, Knee Pain Relief, Cordless 5000mAh Heated Knee Brace, 2025 Upgraded FSA Eligible Knee Heating Pad for Men Women, 70pcs Bead, 660nm & 850nm