HEART RATE MONITOR: Continuous, automatic, wrist-based heart rate tracking without an uncomfortable chest strap
NEVER MISS A CALL OR MESSAGE: Connect this smart watch with the App via Bluetooth and set in the app, you will never miss a call and a message as it will vibrate, which allows you to reply in the first time. Plus, it can also receive messages from Facebook, Twitter, WhatsApp, Skype, LINE, Kaokao Talk, Gmail
SLEEP QUALITY MONITOR: Connect this fitness watch with app “ZERONER HEALTH” in your smart phone or tablet via Bluetooth, data will be transmitted to the App. It can monitor your sleep quality at night and your sleep quality data including sleep scores, deep sleep hours, awake hours, etc will display on your phone. (Download “ZERONER HEALTH” from Google Play or App Store)
EASY AND QUICK TO CHARGE: Built-in low-power-consumption Bluetooth chip, sensor and 75mAh rechargeable battery. Simply insert it into USB port of computer or portable power bank, etc, full charge requires about 1 hour
WIDE COMPATIBILITY: App supports most smart phones or tablets with Bluetooth 4.0 or above. Support system: iOS 8.0 or above, Android 4.4 or above. Such as iPhone 7/7 Plus/6s/6/6 Plus/5/5S/SE, Huawei Mate 7/P9, LG, Sony