Watch Factory Dual System Android 9.1 Smart Watch is Android, Google, and iOS compatible and connects via Bluetooth technology. This is an advanced smartwatch that supports 4G technology and comes with 1GB RAM and 16GB storage. It has a round-shaped TFT High Definition display which is 44mm thick. Also, it has many features like heart rate monitoring, calculating sleep goals, stress management, calories burned, GPS, and gives sedentary reminders. It is equipped chronograph, thermometer, and compass. You can operate your smartphone's features like calls, texts, and notifications with this watch. Its screen resolution is 320x240P. 

Features:

Samsung Galaxy Watch3 is compatible with Android and Apple operating systems and connects via Bluetooth. The watch has an in-built voice assistant that listens to your command on the go. It has a 1.4'' LCD touchscreen interface. The watch's battery life lasts up to 3 days. The features of this watch are heart rate monitoring, ECG, Atrial Fibrillation, blood pressure measurement, monitors sleep, pedometer, step counter, spO2 detection, menstrual tracker, etc. It has 40 sport modes perfect for fitness enthusiasts. You can access your smartphone with calls, texts, music, and other notifications through a watch. The watch has an IP68 rating and is waterproof and sweatproof. Its weight is 0.5 ounces. 

Features:

Xiaomi MI Band 6 Smartwatch is Android and iOS compatible and connects via Bluetooth. It is a fitness tracker specially designed for fitness enthusiasts. The fitness tracker accurately measures SpO2, Heart rate, stress, sleep, weather, burned calories, smart reminders, steps, distance, etc. You need to install Mi Fit App and connect your Mi fitness tracker to enable the various feature of your smartphones like calls, texts, music, and other notifications. It has 30 in-built work modes and is waterproof and sweatproof. The battery lasts up to 14 days due to its 125mAh capacity. Its weight is 0.1 lb. The watch is durable, slim, and lightweight.

Letscom Smartwatch and fitness tracker is compatible with Android, and iOS devices and connects through Bluetooth. Manage your calls, texts, and other apps notifications on your smartphone with this watch. The battery life of this watch is 9 days and the screen size is 1.3'' high-resolution full colored. It has in-built 12 sports modes for fitness freaks and beginners. It accurately monitors heart rate, sleeps calculation, SpO2 measurement, weather forecasting, calories burned, GPS, etc. The watch is sweat-proof, perfect for exercises and any physical activities. 

Features:
The battery lasts up to 10 days
Compatible with Android and iOS
Sedentary reminder 
Very accurate
Houkiper Touch screen Smartwatch is compatible with Android and iOS operating systems and connects via Bluetooth. The touchscreen interface of this watch is responsive to switch functions and access to other activities. The battery lasts up to 10 days due to 50 mAh battery capacity. The estimated time requires for charging is 2 hours. It calculates your steps, distance, energy consumption, sports quality, etc. very efficiently. The sedentary reminder feature will help you to avoid sedentary illness. Its weight is 30 grams.