The GG-B100 has a Quad Sensor (but it is not the same Quad Sensor as the GWN-Q1000 Gulfmaster which included a water Depth Meter). Three of the sensors are the pressure sensor (altimeter and barometer), compass, and thermometer, and the fourth is a step counter.
The GG-B100 has the Bluetooth mobile link function that allows the watch to connect to the G-Shock Connected smartphone app for various functions such as automatic time adjustment, mission log, location indicator, calorie consumption display, and phone finder.
GGB1001ADR_5594