Surface Electrical Stimulation for Urinary Incontinence in Men Treated for Prostate Cancer

* INCLUSION CRITERIA: * Participants must be male. * Participants must have a history of urinary incontinence for at least 6 months after local prostate cancer treatment. * Participants must have at least one of the following types of urinary incontinence: * stress urinary incontinence, defined as involuntary loss of urine on effort or physical exertion (e.g., sporting activities) or on sneezing or coughing * urge urinary incontinence, defined as a compelling need to urinate, due to pain or an unpleasant sensation, that is difficult to defer. * Participants must have moderate urinary incontinence defined as use of 1-4 pads per day by self-report at screening. * Participants must be able to read and write in English. * Age \>= 18 years. * Eastern Cooperative Oncology Group (ECOG) performance status \<= 2. * Ability to understand and the willingness to sign a written informed consent document. EXCLUSION CRITERIA: * Change of therapy for prostate cancer planned during the study intervention. * History or symptoms of urinary retention (not an exclusion if this occurred before prostatectomy), extra-urethral incontinence, overflow incontinence. * Active urinary tract infection (UTI) at screening or history of recurrent urinary tract infections (\>= 4 UTIs within the 12 months prior to the study treatment initiation). * History of complete denervation of the pelvic floor. * Severe obesity (body mass index \[BMI\] \>35). * Pelvic pain/painful bladder syndrome. * Metal implant in the abdominal or pelvic area. * History of chronic cough with ongoing symptoms * An implanted cardiac device, history of untreated cardiac arrhythmia, or history of other heart problems. * History of epilepsy. * History of underlying neurologic/neuromuscular disorder that could contribute to urinary incontinence. * Change in medications prescribed for urinary incontinence within 2 weeks prior to the study treatment initiation. * Uncontrolled intercurrent illness evaluated by medical history and physical examination or social situations that would limit compliance with study requirements.