https://www.futureelectronics.com/npi/panasonic-pan1782-bluetooth-low-energy-module . Introducing Panasonic Industry's RF4 Series High Frequency 5G Connectors. With TOUGH CONTACT shield lock structure and seamless metal shield contact, the RF4 Series offers high retention force with its small size. The RF4 Series High Frequency 5G can be used for smartphones, laptops, routers, tablets, smart watches, Bluetooth headphones, and other wireless devices. https://youtu.be/ZjLzpnHdwEY