Smart Watch Fitness Tracker Heart Rate Monitor, Sports Activity Tracker Watch, Pedometer Watch with Sleep Monitor, Step Tracker For Kids, Women, and

Warm Tips: 1. Compatible to the OS Android 4.3 and above, IOS 7.0 and above. Pls check if the phone matches up the OS before you place an order.

2. The Smart bracelet is IP67 waterproof, you can wear it to rain, wash hands, take a bath and even swimming but DONT put it into hot ...Warm Tips: 1. Compatible to the OS Android 4.3 and above, IOS 7.0 and above.

Pls check if the phone matches up the OS before you place an order. 2. The Smart bracelet is IP67 waterproof, you can wear it to rain, wash hands, take a bath and even swimming but DONT put it into hot water and NOT FIT for diving.

3. You need connect to the watch via the app Jyou, search the keywords Jyou in the google play or Apple Store. Through connect to app, you can unlock more 4.

Recently APP upgrade, if the equipment out of sync or incorrect data, please download the latest APP. 5. If you are unable to synchronize, or the APP flashes back, you need to exit the APP, or delete the APP to download again, and check whether the phone's capacity is sufficient.