About This Item Hyperice X Knee is our hottest (and coolest) piece of recovery tech yet. It’s a revolutionary electric contrast device that seamlessly switches between hot and cold therapy in seconds. It’s the best of both worlds in one smart solution for your knees. Any temp Tackle your pain and inflammation with the power of cold therapy, or turn up the heat to reduce tension and aches. Turns hot or cold in 60 seconds. Any time Set it and forget it. Unlike traditional icing and heating pads, Hyperice X provides long-lasting, sustained, relief without any change in temperature. Anywhere Hyperice X Knee has an adaptive fit that moves with you freely. Enjoy fully automated, electric contrast therapy at home or on-the-go, with no prep, no ice, and no cords. Rechargeable lithium-ion batteries 1.5 hour battery life. Lightweight design 2 lbs. Travel-friendly TSA approved carry-on Tempature Control Turns from hot to cold in 60 seconds. Benefits Temporarily alleviate pain and soreness. Decrease inflammation. Support injury treatment for a variety of sprains and strains. Relax and soothe stiff joints. Loosen muscle knots. Support warmup and recovery. Offline Mode Follow the simple instructions in the manual guides area to operate your Hyperice X manually. Key Specs: Color: Black Product Type: Wrap Targeted Area: Knee Rechargeable Battery: Yes General: Brand: Hyperice Model Number: 25000 001-00 Product Name: X Knee Contrast Therapy Device Color: Black Features: Product Type: Wrap Targeted Area: Knee Therapy Method: Cold, Heat Machine Washable: No Compression Fit: Yes Antimicrobial: No Material: Material: Silicone, Spacer Mesh, Velcro, Polyester/Spandex Power: Power Source: Battery-powered Rechargeable Battery: Yes Battery Life: 1.5 hours Battery Chemistry: Lithium-ion Dimensions: Product Depth: 12.5 inches Product Length: 1.5 inches Product Width: 10 inches Product Weight: 2.6 pounds Warranty: Warranty - Parts: 1 Year Limited Warranty - Labor: 1 Year Limited