Soleus Data Upload / USB Charging Cable
4 Prong USB Cable works with the following models: GPS 1.0, GPS Fit 1.0, GPS 2.0, GPS Vibe 2.0, and GPS 3.0. Charges the Lithium-Ion battery via USB and allows watch data to be uploaded to Soleus Software or Training website (MapMyFitness/Strava/etc).