WHAT IS IT? - YK15RC is the upgraded version of YK15&YK15AB. HealthmateForever listened to customer feedback and incorporated most-requested features, upgrade software and hardware in the new professional unit YK15RC, easier to adjust timer, intensity and speed, Belt Clip makes the device convenient to carry everywhere, you can take it to the gym or to the office, Back-lit LCD display. You will want to order your YK15RC today, sooth your pain away!
