The 12-Mode Dual Channel EMS Knee Massager by Jscomfortzstore is a cutting-edge device designed to relieve knee pain and discomfort. This innovative product features dual channels for maximum efficiency, offering 12 different massage modes to cater to individual needs. With adjustable intensity levels and a compact design, this knee massager is portable and easy to use anytime, anywhere. The sleek black color adds a touch of elegance to its modern design. Available with or without a box, this EMS Knee Massager is a must-have for anyone seeking relief from knee issues.