Note: ⭐ ⭐ ⭐ Almost most smartwatch haven't charger or little battery,when you received maybe need charge 40-50 mintues,it will open by itself.Don't think product is damage!! ! ⭐ When you first receive the product, charge it for 40-50 minutes at first if it cannot be turned on because it is already low on power. ⭐ Please contact us if the product has quality problems, thanks! APP: Fitpro/Hryfine Feature: 1.IP67 Waterproof: It supports hand washing, rain(note: cannot wear for hot water bath and sauna). 2.Health monitoring: Blood pressure monitoring, heart rate monitoring, sleep monitoring, sedentary reminder. 3.Standard sports function: Step, calorie, distance calculation. 4.Display: 3 kinds of UI interface style (main interface long press switch), time display, date display. 5.Multiple sports modes. 6.Call reminder and information push: connect to Fitpro APP, to display calls, text messages and SNS (Twitter, Line, WhatsApp, Facebook, Line, KaKaoTalk, WeChat, QQ) and other notifications; never miss important information. 7.Other functions: Alarm clock, stopwatch, raise your hand to brighten the screen, remote camera, find the bracelet. Specification: APP: Fitpro/Hryfine Case Material: Aluminum Alloy Strap Material: TPU Screen: 1.3inch IPS Colorful screen Chip: HS6620D Bluetooth Version: 4.0 Waterproof Grade: IP67 (note: cannot wear for hot water bath and sauna). Battery Capacity: 100mAh Charging Time: About 2 hours Working Time: 5days Standby Time: About 10 days Charging Mode: Built-in USB Function Button: One Touch Button Compatible System: Android 4.4 and above, IOS 8.0 and above. How to pair with your phone? Tip: Use the Fitpro application instead of connecting to the device via Bluetooth directly. Or you won t be able to sync 1.Download and install the Fitpro app on your phone. 2.Open the phone s Bluetooth. 3.Open the application, click Device: search for your device and click it. Package Included: 1 x Watch 1 x User Manual