A:AnswerHi, there is an audible alert when you turn the JBL FLIP 5 either ON or OFF, we find it helpful for the visually impaired customers.
The start up or turn OFF alerts can be disabled through the JBL CONNECT app available for IOS and Android.
A:AnswerThe BT range of the JBL FLIP 5 is 20-25m, when indoors, this range could be affected by walls, windows, metal structures or sources of interferance