It is an electrical muscle stimulation (EMS) device designed to strengthen pelvic floor muscles for both men and women.
The device helps treat urinary and fecal incontinence by automatically performing Kegel exercises.
It is intended to be used under the supervision of a physician.
The package includes the stimulator unit, an instruction manual, a storage pouch, two AA batteries, and likely a probe (not fully visible).

Type: Stimulation Device
Main Purpose: Pain Relief, Aches & Pains, Muscle Stimmulation, Physical Stress, Relaxation
Material: Plastic
Body Area: Body
Power Source: Battery
Features: Portable, Transportable, Practical to Use, Adjustable
Department: Unisex
Model: iStim EV-804
Unit Type: Unit

Keywords: TENS unit, muscle stimulator, pain relief, electrotherapy, rehabilitation, physical therapy, portable massager, recovery tool, nerve stimulation, home therapy, digital device, therapy unit