Hi everyone, We are in the process of choosing a new pump for our 6-year old son, and we are considering t:slim X2 with an integrated CGM, but I have a question: When he sleeps at night, and the pump is on him, how do I hear the CGM alarms? Does it work with Android phones? If so, how far does my phone have to be away from his pump for me to hear alarms at night? Also, do you disconnect it every 5 days just to charge it? How fast does it charge? Thank you in advance!