The TENS device is used for the treatment of knee and elbow pain. The comfortable and ergonomic shape makes the treatment pleasant. Pain therapy (TENS) For use in fighting knee / elbow pain Wear-free water contact electrodes made of conductive carbon material, easy to use No contact gel or replacement electrodes required (contact electrodes with water) Comfortable and ergonomic shape 4 pre-programmed applications Removable operating element with LCD display Adjustable intensity Countdown counter Safety shutdown Medical device Low battery indicator