Touch totwoo, rapid blue light flashing, shows totwoo and app not connected. At this time, touching the jewelry will not send messages. Sending messages correctly is simple and involves two steps. After totwoo and the app are successfully connected: -To send "Thinking of you"- Touch totwoo to flash blue light, and touch again before it goes off to flash white lights. -To send "Love you"- Touch totwoo to flash blue light, then long-press before it goes off till vibrating.(Some models of totwoo products do not support this feature）