Welcome to ROOVJOY's online shop! Buy it now if you really like it !!! It deserves the price! This is ROOVJOY newest and most FUNCTIONAL model. Highlights of this model: 1) BEST MODES: Our only 4-in-1 model, and ONLY model that has Interferential(IF) mode and Russian mode. 2) MORE EASY TO USE: Rechargeable with lithium battery and it's our only model that has a clip on the device. 3) MOST PROGRAMS: 102 programs(30 TENS, 21 EMS, 21 IF, and 30 Russian programs). 4) MEDIUM FREQUENCIES: Our only model with medium frequencies of stimulation. 5) ADJUSTABLE PROGRAMS: Set the pulse width, frequency and default time by yourself. 6) MOST INTENSITIES: 90 levels of output intensity, more powerful and easier to control the intensity. 7) BODY MAP ON THE SCREEN: Easier to watch and use. 8) SUITCASE: Our only model with a suitcase. Sometimes shopee may have system error. If you have any problem in placing your order, please contact us via webchat and we will solve the problem for you directly! We can issue proforma invoice and send it to you. ROOVJOY will provide considerate service to ensure the quality and the safety during your treatment. Your package is shipped out directly from the official factory with 100% test and inspections. BRAND: ROOVJOY STOCK: Ready stock CHANNEL: Dual Channel DIMENSION: 120.5x69.5x27mm (L x W x T) WARRANTY: 1 Year POWER: Built-in Lithium Battery #ROOVJOY #tens #ems #massager #pain #muscle #muscular #stimulator #massage #device #rehabilitation #stroke #disc #hemiplegia #surgery #disc