Feature: 1. Red Infrared and Ultrasound: A dual function device that combines the advantages of red LED light care and ultrasound care for enhanced soreness relief and skin rejuvenation. We recommend using it 2‑3 times a day for 20 minutes each time. 2. Built in Lithium ion Battery: Handheld infrared light wand is equipped with a powerful 1100mAh lithium ion battery, ensuring long lasting and convenient use without the need for frequent charging. 3. Multiple Energy Levels and Modes: With 5 energy levels and 3 modes for ultrasound and 5 energy levels for 650nm red LED light care, users can customize their care according to their needs and comfort. 4. Effective Soreness Relief: Ultrasound and red infrared light work together to provide effective soreness relief for various ailments, such as muscle soreness, joint soreness, stiffness, and inflammation. 5. Easy to Use: Red LED light and ultrasound device is compact, lightweight, and user friendly, making it suitable for both home and travel use. Simply apply to the affected area and enjoy the advantages of targeted soreness relief and skin rejuvenation. Specification: Item Type: Handheld Infrared Light Wand Material: ABS, metal Battery Type: Lithium ion Battery Battery Capacity: 1100mAh (built in) Ultrasound Energy Levels: 5 levels Ultrasound Modes: 3 modes 650nm Red LED Light Energy Levels: 5 levels. Package List: 1 x Host 1 x Power Plug 1 x User Manual Note: Restrictions: 1. Not suitable for certain tissues: eyes and surrounding areas, myocardium, spinal cord, gonads, kidneys, and liver. 2. Blood disorders, coagulation problems, or use of anticoagulants. 3. Care of polyp sites. 4. Thrombosis. 5. Polyneuropathy. 6. Growth of children's cartilage. 7. Care with corticosteroids. 8. Not suitable for areas near major nerve bundles, nerve bundles, blood vessels, spinal cord, and head.