Capacity mah320 materialsilicone sim card typeno sim card slot connectivityir fitness wellnesschronograph alarm clock stopwatch timer calendar charging timeh0 water resistance depth30m waterproof levelipx 8 typesmartwatch featuresmultifunction long standby water resistant water proof modelyy9128 supported operation systemother screen typedisplay technologylcd stand by timeh480 packing listbody english and chinese manual listing date05232017 productio