--emslim beauty machine muscle instrument has two treatment handles which work at the same time --the device is non-invasive, safe and painless, no radiation, no side effects, no need for anesthesia --here is no discomfort during the treatment, and there is no need for a recovery period after the treatment. --we can help you make the logo on machine screen according to your requirements. we will provide you with a detailed user manual and operation video, ensure you can operate it well. -please contact us when you place the order if you have any requirements, we will reply you at the first time..syi