Pal Pads are true switches with a 1/8-inch plug and can be used with ANY communication aid of battery-operated assistive device that has a standard 1/8-inch jack. Applying only 1.2 ounces of force will activate Adaptivation's Pal Pads. They can be activated with the slightest touch, whether it comes from directly above or at a shallow angle. Best of all, these switches are affordable! The rigid and durable Pal Pads are flat membrane switches approximately 1/10" thick.