Android Debug Bridge (adb) Wireless Debugging Over Wi-Fi - Switch on wifi debugging in ALL devices connected (via USB, with USB debugging enabled) to your computer (tested on Mac OS)

adb_wifi_connect_all.sh

for line in `adb devices | grep -v "List" |grep -v ":" | awk '{print $1}'`
do
  device=`echo $line | awk '{print $1}'`
  echo "Running commands for $device"
  echo "Restarting $device in TCP mode on port 5555..."
  adb -s "$device" tcpip 5555
  echo "Waiting for $device to switch to TCP mode..."
  sleep 7
  ip_addr=$(adb -s "$device" shell ip route | grep wlan| grep -o ' 192.*$' | awk '{print $1":5555"}')
  echo "Connecting to Device via WIFI on $ip_addr"
   adb -s "$device" connect "$ip_addr"
done