C&K Switches NanoT Nano-Sized Tactile Switches are compact switches (1.65mm x 2.1mm, 0.5mm total height) with an integrated side or top actuator and laser welded film. The C&K Switches NanoT Tact Switches are IP67 sealed and offer up to 300,000 cycles. The series is ideal for hearing aids/medical applications, sports and health monitoring, the Internet of Things (IoT), and headsets.