Built-in Alexa Voice Assistant: This newly upgraded smartwatch has a built-in Alexa voice assistant, by talking to Alexa on your smartwatch, you can ask questions, control music playback, check the weather, set alarms and timers, control smart home devices and more. Make life easier!Built-in GPS Activity Fitness Tracker: This activity fitness tracker smartwatch comes with a built-in highly accurate GPS that ensures precise tracking of a wide range of activities. It tracks your heart rate, calories burned, steps and distance during your workout, and you can also view your workout GPS movement tracks on the watch or app to achieve your fitness goals to new heights with professional grade fitness tracking!1.78''HD AMOLED Large Display: This Smartwatch Ultra features a 1.78-inch AMOLED display that offers unprecedented visual clarity and enjoys highly responsive touch sensitivity. And you can choose from over 100+ dials to suit your style, and you can set your favorite photo as the dial.Smartwatch with Bluetooth Call and Message NotificationlIt's a smartwatch with a built-in high quality speaker. With Bluetooth 5.3, you can make phone numbers, answer calls, play music and more right on your watch. You can receive notifications for calls, SMS and SNS messages, Whatsapp, text, Facebook, etc. and vibrate to remind you that you won't miss important24/7 Precise Health Monitoring: Our smartwatch accurately monitors your heart rate in real time. It also analyzes your sleep quality in detail by continuously recording your sleep patterns. When exercising, the smartwatch will record your daily steps, distance counter, calories burned, active minutes, measure your heart rate and understand your physical condition.Better materials for comfortable wearThis smartwatch is made of zinc alloy + IML process, wear-resistant, corrosion-resistant to avoid sweat corrosion, close to the golden ratio of aspect ratio, fit the wrist, wear more comfortable.Experience Extraordinary Service: This iOS Android smartwatch is compatible with most iOS 10.0 and Android 5.0 and higher smartphones.