Introducing the GSHOCK GBA-900-1A6DR, the newest addition to the G-SQUAD line of Smartphone Link timepieces. This innovative watch can measure distance using an accelerometer when connected to a smartphone via Bluetooth. By utilizing the GPS function of your smartphone, you can take measurements that will allow the watch to then measure distance on its own in the future. This means you can track your runs or walks without needing your smartphone with you at all times. With its durable G-SHOCK construction and advanced technology, the GBA-900-1A6DR is the perfect companion for fitness enthusiasts on the go.