Don't have Telegram yet? Try it now!
https://raytac.blog/2016/06/06/bluetooth-sig-%e3%83%a1%e3%83%b3%e3%83%90%e3%83%bc%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6/
Bluetooth SIG メンバーについて