iWown i7 Smart Watch Bracelet Bluetooth 4.0 Wristband IP55 Waterproof Sports Fitness Tracker Health Heart Rate Monitor (Black) 24 sports record management--Accurately records walking, running, push-up, rope skipping, badminton, table tennis; Auto-Monitoring for sleeping up to 24 hours--Combined with heart rate curve to identify the sleep state. 1. In Zeroner app, Home, then in goal setting --- add sports, you can add 24 kinds of sports like Badminton, Basketball, Football, Volleyball, Table Tennis, Bowling, Tennis, Shuttlecock, walking, etc. Message Notification, incoming call display, Facebook Notification, Twitter and Email remind, Long-time sat reminding, Remote photo capture, Find my phone! Continued brightness display with ULP--Clearly visible in the sunlight.An impossibly thin 8.4mm design--Thinnest in the world. 30 Grams with all-metal appearance: 17-4PH Stainless Steel. Battery life is Up to 7 days--Average 4 times power charging per month; Replaceable 20mm Wrist Strap (Medical Grade TPU Materiel) --Various designs of Wrist strap! AMS Heart rate sensor- Dual-Core Chip--The stability of monitoring heart rate while exercising. The stability of Heart Rate monitoring up to 7 days--Accurately recording of dynamic and static Heart Rate. Pedometer, please make sure it is connected and please make sure the steps surpass 10 steps.