?Warranty Service & “VeryFit” Free App? We are committed to providing excellent products and 12-month waranty services, please feel free to contact us if you have any questions. Before using it, please scan the QR code on the box or download the free "VeryFit" app from Google Play or AppStore. The VeryFit App is compatible with iOS 9.0 / Android 6.0 and above. ?Water Resistant Watch & Long Battery Life? The IP68 waterproof smartwatch can be worn all day long, when washing your hands, in the rain or swimming. And it can also be used in water up to 10m deep. The high-capacity and low-power design offers longer battery life. It supports 3-7 days of BT call mode use and up to 30 days of standby time. (Note: Remove water droplets when the smartwatch is wet to prolong its life.). ?100+ Dials & 1.7" HD Touchscreen?Watch Faces to match different moods and outfits. Change watch faces via the “veryfit” App, including uploading a photo from your phone to the smartwatch, or long-pressing directly on the screen to access the switching options. Operate smoothly, see watch dials clearly on the 1.7" HD bright touch display. And the watch screen has five brightness levels that can be adjusted to suit different environments. ?Calling & Message Alerts & Alexa? Connected to your phone via bluetooth and APP, this smartwatch with built-in Alexa voice assistant frees you from the anxiety of missing important calls and messages. By setting call and message alerts to vibrate or ring, you will know exactly which call or message you need to respond to in a timely manner. (Note: The smartwatch can receive messages from Facebook, Twitter, Ins, Whatsapp and more but it does not support sending texts.). ?Health&Exercise Monitoring&Gadget?Track your health, including heart rate, blood oxygen saturation, sleep status and stress levels. Monitor daily steps, calories burned, distance. Choose one of the 60 exercise modes to record your workout data. If your heart rate is too high, the smartwatch will warn you and help you adjust the intensity and duration of your exercise. There are practical gadgets, such as pedometer, women's menstrual cycle record, weather,music control, find phone, etc.