Reusable Electrodes Pack 40 2 x2 Square Blue Jay Brand Cando Exercise Band Accessorie Can be used with all Jobst Opaque Sensitive Can be used with all inflatable exercise balls Automatic age based target zone : bpm % * To help you train safely and effectively the training computer determines your heart rate target zone limits automatically according to your age based maximum heart rate (220 minus age) The Blue Jay Elite Healthcare Brand of PEEL 'N' STIK DELUXE MULTI USE REUSABLE 2 x 2 Square Pack 40 ELECTRODES are of the highest quality affordable non sterile reusable and self adhering * Coated with long lasting and reliable gel these powerful electrodes are excellent conductors of electric current * Our electrodes are the perfect replacement electrodes and can be used with most TENS Muscle Stims IFC and other pain relieving devices * They are FDA approved can be applied to all contours of the human body and can be reused between 8 10 times * Each pack of electrodes comes with a maintenance and instruction sheet * Latex Free *