E4 Device Care
Device care and maintenance
The E4 is designed for home use. The rubberized outer case is designed to protect the electronics against splashes and minor drops. With proper care your E4 should last for years. Cleaning and Disinfection Before switching between users, carefu...
E4 Electrodes: materials and replacement
Type of Electrodes The E4 comes with user-replaceable 10mm diameter silver-coated with copper underlay on brass electrodes. The silver electrodes should last for months under continuous use but will oxidize, picking up a grey tarnish over ti...