Languageschinese english capacity mah50 materialabs silicone connectionusb sim card typeno sim card slot connectivityusb charging timeh2 water resistance depth10m waterproof levelipx 7 typesmart bracelet featureswater resistant water proof 3d wearable sports distance tracking long standby pedometers calories burned modelt5 supported operation systemmicrosoft windows screen typedisplay technologyled stand by timeh480 packing listbody english and chinese m