The key component of the Homedics Compression Massage System, the universal control unit, is a replaceable all-in-one power unit that functions as a wireless battery and controller for all Homedics compression products. Equipped with an innovative SMRTflex chip, the universal control unit uses advanced technology to recognize the connected support before starting an effective compression massage. With four compression massage programs, three soothing heat settings, and five intensity levels, you can create a recovery program tailored to your specific needs. The controller slides easily into place on any compatible support, making it versatile and an essential addition for anyone who wants to incorporate compression massage into their self-care routine. What is compression massage? Compression massage is a therapeutic massage technique that applies rhythmic pressure to an area of the body to promote blood circulation. This helps improve blood flow and speed up recovery. What does compression massage do? Compression massage has been shown to help reduce swelling, relieve inflammation, improve blood circulation, relax muscle tension, increase mobility, promote a feeling of relaxation, and speed up recovery. It offers a wide range of wellness benefits for all types of users. An effective and portable solution The rechargeable universal control unit provides up to 5 hours of use on a single charge. This replaceable, wireless control unit is compatible with all Homedics compression supports and serves as the core solution for the entire system. Smart self-care Thanks to the innovative SMRTflex chip, the universal control unit automatically recognizes the support being used and adjusts its operation accordingly. Cutting-edge technology ensures an effective and targeted compression massage every time you use it. Individually adjustable compression The universal control unit, which includes several massage programs, is designed to work seamlessly with every Homedics compression support. It allows you to build a customized compression system that is just right for you. Covered with soft-touch material, the universal control unit uses innovative technology to recognize the connected support and optimize its performance. The package includes a USB-C charging cable, and the product comes with a 3-year warranty. Note: The universal control unit is required for use with all compression product series supports (supports sold separately). Features: Compatible with all Homedics product series supports (sold separately) Essential for use with all compression product line supports Up to 5 hours of use 5 intensity levels and 3 heat settings 4 compression massage programs for each sleeve USB-C charging (cable included in the package) 3-year warranty