CASIO 5554 Module - HOW to GBA-800 G-Shock - YouTube
5554 Casio G-SHOCK how to connected app Bluetooth (Android) - YouTube
I really like my new GBA-800-1AER Module 5554 sporty small and light BT connected g-shock. Great for measuring daily physical activity with step-tracker. Good for walks and runs. : r/gshock