Live a stronger, smarter life with Galaxy Watch at your wrist. Rest well, remain active and keep tension at bay with built-in health tracking. Go for days without charging your watch.-- the Bluetooth connection keeps everything at your wrist. * Compatible with select Bluetooth-capable smartphones. Galaxy Watch supported features may vary by provider and compatible device. For finest results, connect with compatible Samsung Galaxy smartphones.) ** Battery life for Bluetooth (46mm) design is approximately 3 to 4 days. Battery life for LTE design and Bluetooth (42mm) design is approximately 2 to 3 days. Your results may vary.