
US20160324478A1 | page 32 | https://thedailydialectics.com/pdfs/wipow/US20160324478A1/US20160324478A1.pdf
US 2016/0324478 Al the balloon, a main housing portion 23 that housing a speaker 27, a battery 28, a first ambient microphone 32, a second ambient microphone 34, a valve 31 for controlling the flow of fluid in and out of the balloon 21, and a recharging coil 29 using for inductively recharging the…