• Ideal for multi-subject data sessions
• High signal quality and comfort
• Compatibility with all OpenBCI boards and standard touch-proof connectors
• Compatibility with OpenBCI's FREE open-source software
• Compatibility with most bioamplifiers
• Electrodes located and labeled using the internationally recognized 10-20 system
• Easy-to-clean mesh cap
• Adjustable chinstrap for stability and reduction in movement artifacts
• Insulated leads secured with click-in tabs
• Included velcro cable management

Obtain your head circumference using a tape measure wrapped horizontally across the widest part of your head

• Small = 50-54cm
• Medium = 54-58cm
• Large = 58-62cm 

If between sizes, size down

To estimate the total import duty and tax, use this calculator. Enter the HS code 854442 when prompted. Please be advised that product prices do not include customs fees, import taxes, brokerage fees, or any customs clearance fees. This is the responsibility of the customer.

If shipping to Europe, please expect the total import cost to be about 25% of the product price. If shipping to other countries, it is about 10-20%.

ALL OpenBCI orders ship from the US. We ship worldwide!

Have questions about shipping internationally? Email sales@openbci.com

Refund Policy here

The BCI Gelfree Cap Kit is not a medical device nor is it intended for medical diagnosis and provided to you "as is," and we make no express or implied warranties whatsoever with respect to its functionality, operability, or use, including, without limitation, any implied warranties, fitness for a particular purpose, or infringement. We expressly disclaim any liability whatsoever for any direct, indirect, consequential, incidental or special damages, including, without limitation, lost revenues, lost profits, losses resulting from business interruption or loss of data, regardless of the form of action or legal theory under which the liability may be asserted, even if advised of the possibility of such damages.