Languagesenglish capacity mah550 materialsilicone connectivitybluetooth40 fitness wellnessbarometer altimeter sleep tracker activity tracker typesmartwatch featurescamera control message control touch screen sports distance tracking long standby pedometers calories burned modelyyxr05 supported operation systemios android screen typedisplay technologylcd stand by timeh400 480 packing listenglish and chinese manual production modeexternal produce