Y68 Smartwatch Women Wristwatches D20 Smart Watch Men Sports Bracelet Supporting Heart Rate Phone Mate Smart Bracelet Sleep Monitor Support Bluetooth 4.0 Compatible with Android IOS

Jansin. Y68 Smart Watch D20 Smart Watch. This product can only surface splash waterproof(Cool water), please don't wear it to swim, drop it to the water or soaked in water ect. If the watch can't be touched in the middle, please touch the screen slightly to the left, the effect will be better. If the watch can't be stat rup, pls charge it 5-10min before you use. Use notiction: 1. Wearable devices monitors human activities through electronic sensors, and they are at the consumer electuonics level. It's normal for certain deviation. The user should treat data objectively. 2. Please do not compared to hospital equipment about reading, it is NOT a medical device. 3. Before using, scan the QR code on the manual to download the app and connect it to the watch with APP. 4. For Android user: Please always authorize app access to all phone functions and always let it operating on. and please turn on the GPS on your phone before you connect it. 5. Please charge it for 2-3 hours when you receive