(set of 2) $2.00
Needed every 1 month of use
Replacement Fabric Headband
Needed every 6-12 months of use
Gel Pads more details
(set of 10) $9.95
External Sensor Extension Wires
Needed only in cases where temporalis muscles effectively paralyzed. If you place fingers at temples and clench and feel no muscles fibers move under skin, you may need these.
Replacement Sensor Pads
(set of 2) $9.95
Needed every 2-6 months of use, depending on skin chemistry. See step 8 in Troubleshooting Guide for how to measure if replacement is needed.