Feature: 1.Instant Relief for Chronic Knee Pain - Experience complete relief from knee pain in just 30 minutes of treatment, allowing you to regain your independence and get back on your feet. 2.Activate the body's self-healing mechanism - Rejuvenation Knee activates the body's self-healing mechanism through the power of compression, heat, and massage therapy, promotes blood flow, and delivers oxygen and nutrients to injured tissues. 3.Wireless and RechargeableIt is wireless and rechargeable, you can easily carry it with you wherever you go to relieve knee pain anytime and anywhere. 4.Three Methods Therapy - The breakthrough "Three Methods Method" combines compression therapy, heat therapy, and massage therapy to not only relieve pain, but also restore your knees to their previous healthy state. 5.Relieves Multiple Knee Problems- Whether it's knee pain, osteoarthritis, bursitis, meniscus, tendonitis or post-surgery recovery, it can relieve and reverse knee joint injuries, ensuring a pain-free day and aiding sports recovery. Specification: Material: polyester mesh color: gray Size: 51X29X3.5cm Voltage: 5v Power: 7w Charging current: 1A Modes: three modes: Mode 1 (daily relaxation) Mode 2 (relieve soreness) Mode 3 (deep massage) Function: Magnetic transparent LED display touch controller, each function can be operated independently. The controller has a built-in 2000mah lithium battery, which is rechargeable and has a long service life. Built-in heating pad, 5 heating levels (40"C, 45C, 50"C, 55C, 60C) adjustable to promote blood circulation and relieve arthritis pain, 3 vibration modes can be adjusted according to personal feeling Velcro design , with the ability to resize to fit most users. Includes extra extension straps ideal for knees, shoulders and elbows Package: Knee pads*1 Extension strap*1 Instruction manual*1 type-c cable*1