These shoes make a squeaky noise when you walk. First warning is given when you have around 30-60 minutes of battery left. I am trying to find one of my children to take them from me and I can order smaller or even better buy in a shop and try them on instead. At the bottom where it says MACRO Select Advanced Settings and select "retain original key output"5. 5, and sometimes 8 if it runs small. They are quite tall though, a bit taller than they appeared. These are perfect and comfy for my 5 year old daughter as getting out of the shower or pool/beach shoes! For some reason the acai berry packets do not dissolve easily in water. It?s slides into your pocket easily. Dont get this vacuum (or any robotic vacuum for that matter) if youre planning on vacuuming deep carpets, especially if youre trying to get dog hair out.