H30B 1.3 inch IP68 waterproof fitness round smart watch for for Android and IOS phones,standard,comfortable. Main Functions: 1. Custom dial for smart watch 2. Smart watch female physiological cycle 3. Smart watch weather forecast 4. Blood oxygen, blood pressure Other : Alarm Clock, Week, MONTH, Countdown, Sleep Tracker, Speed Measurement, Fitness Tracker, Passometer, Call Reminder, Answer Call, Push Message, Mood Tracker, Message Reminder, Heart Rate Tracker, Blood oxygen monitor