Welcome to Shenzhen Roundwhale Technology Co., Ltd., a leading manufacturer, supplier, and factory of high-quality Tens Units in China! Our Tens Units are designed to provide safe and effective pain relief through electrical stimulation. However, you may be wondering, can a Tens Unit cause atrial fibrillation? The answer is no. A Tens Unit is specifically engineered to target muscles and nerves to alleviate discomfort and does not pose any risk of causing atrial fibrillation. At Shenzhen Roundwhale Technology Co., Ltd., we prioritize the safety and well-being of our customers, which is why our Tens Units are rigorously tested and comply with stringent quality standards. With our commitment to innovation and excellence, we aim to provide our customers with reliable and cutting-edge Tens Units that offer relief and comfort. Trust Shenzhen Roundwhale Technology Co., Ltd. for all your Tens Unit needs and experience the difference our products can make in your life.