CPU RTL8763EWE single chipScreen 1.85inch IPS HD fullBattery 300MAHHorn AAC high-fidelity 5 magnetic horn24-hour real-time automatic monitoring of heart rate, blood oxygen and body temperatureBlood pressure monitoring supportBlood oxygen monitoring supportTemperature monitoring thermistor temperatureBreathing training is slow, slow and slightly fastFemale physiological cycle physiological period, ovulation period, safe periodStatus step, calories, distanceSports mode 24 sports modesCall reminder supportDial-up keyboard supportBluetooth call supportCall answering supportCall log supportContact synchronization supportCall rejection supportMessage push supportAPP supports software push WeChat, QQ, lnstagram, YouTube, Messenger, Gmail, Snapchat, Facebook, Twitter, WhatsAPP, Pinterest, Hangouts, Linkedin, Skype, Tumbir, Viber, Line, Google+, Flickr, VK, KaKa TalkSupport for sedentary reminderAlarm reminder supportWrist turning and bright screen supportBackhand off screen supportDo not disturb mode supportShake and take photos supportFind phone supportBrightness adjustment supportWeather forecast supportMusic control supportDial switch supportCustom dial supportAPP massive dial supportStep counting supportCountdown supportStopwatch supportGoal achievement reminder supportSleep monitoring support1.85-inch high-definition full-screen full-touch color sports smart watch with resolution of 240X280 pixelsABS frosted anti-scratch case, 22mm replaceable strapBluetooth call smart watch, IOS Android phone only needs one link callSingle-core dual-mode, 300mah pure cobalt battery, ultra-long standby for 45 days