Tips Only the infrared ray generating part will heat, the ultrasonic massage probe part without the function of heat. If you want to regulate secretion and promote fat consumption, you need EMS. If you want to massage your body to lose weight and skin care, you need Sonic. It is important for EMS Mode,it will stop working automatically after 10 mins,if you want to repeat need turn it on again . EMS mode light not on if press sonic mode .EMS treat with the sticky electrode pads.and no mode if adjust the mode selection key to the bottom, no intensity if adjust the intensity selection key to bottom. feature: Skin care products remove, brighten and smooth out the appearance of the skin. Deep cleansing and moisturizing to reduce the appearance of wrinkles and fat deposits and firm skin texture. The device uses 1Mhz ultrasound and infrared energy for effective massage and treatment, and through the weight loss ultrasonic massage to shape the body contours, eliminate excess fat, conditioning muscles, restore healthy body functions through cell regeneration and body metabolism. The instrument can perform both ultrasound, infrared and micro-current skin and body treatments. Ultrasound therapy: The massager probe produces ultrasonic vibration at a rate of 1,000,000 times per second, which is best suited for body care and affects the skin primarily in two ways: mechanical and thermal (physical) and chemical. Heat therapy: The square collar around the massager probe emits infrared light in the 8-12 nm spectrum, which can penetrate deep into the skin and subcutaneous tissue. parameter: Adapter input power: AC100-240V Adapter output power: 15V, 800mA Ultrasonic frequency: 1MHz Package contents: 1 x beauty instrument, 1 x Electrode pad connecting wire, 1 x Power Adapter, 1x manual2 pairs of electrode pads technology: EMS + infrared + ultrasonic Ultrasonic massage removes fat and pulls your skin off without rebounding. Infrared rays restore elasticity and activate cells more thoroughly. EMS's 5 modes (tap, massage, kneading, scraping cr, weight loss), 5 strength options, free choice of one to make you feel comfortable. Note: Ultrasound and far infrared rays will give your skin a warm feeling. This is normal. Please feel free to use it.