Features:

Garmin - vivosmart 4 Activity Tracker + Heart Rate is compatible with Android, Google, and iOS Operating Systems. It connects via Bluetooth 5.0 technology. It has a High Definition backlit OLED display with a touchscreen interface. The watch is waterproof and perfect for swimming. You can access your calls, texts, and other notifications with this fitness tracker. It accurately monitors are heart rate monitoring, blood pressure, monitors awake time, GPS, calories tracker, female cycle tracking, gives sedentary reminders, etc. Also, its Pulse Ox allows you to track the blood saturation levels of your body. It accurately tracks your activities. 

ASWEE Smart Watch and Fitness Tracker is compatible with Android, Google, and iOS devices and connects through Bluetooth. The watch offers wide compatibility. You can access your calls, texts, and other apps notifications with this watch. It has a great battery life as well. Also, it is 5ATM waterproof. It has a 1.3'' IPS colorful display which looks stunning. The watch has in-built workout modes like walking, running, yoga, etc. Some of the amazing features of this watch are sleep calculation, SpO2 measurement, weather forecasting, active time, heart rate, calories burned, GPS, etc. 

GanenSprint Mens Smart Watch and Fitness Tracker is compatible with Android and iOS operating systems through Bluetooth. The watch offers in-built sport modes which include running, walking, cycling, swimming, climbing, skiing, and many more. It is durable, water-resistant, and lightweight. The screen size of this watch is 1.69 inches TFT with 240 x 280 screen resolution. Its other applications are stopwatch, alarm clock, GPS, weather forecast, APP notifications, etc. Also, it accurately measures heart rate, sleep, stress, speed measurement, and distance. The watch is IP68 waterproof. Typically its battery lasts up to 7 to 10 days on standby time. Its weight is 0.32 pounds. 

Mighty Rock Smartwatch and fitness tracker are compatible with Android phones and connects via Bluetooth. This activity tracker is accurate and perfect for fitness enthusiasts. With IP68 technology, the watch is waterproof and can be worn during physical activities. Its battery lasts up to 7 days due to the 190 mAh battery. It has 8 sport modes like walking, running, rope skipping, cycling, badminton, football, etc. It monitors heart rate, sleep, calories burned, awake time, etc. The watch is compatible with iPhone as well only above version 9.0.

Jumper's fitness tracker monitors heart rate, sleep with calculates the number of hours you are asleep, calculates the calorie you burnt, blood pressure, step counter, activity tracker, and body temperature. It includes GPS connectivity and it tracks your location. It's a waterproof smartwatch that also monitors a pedometer. (steps) You can connect the watch with the help of an application with both Android and iPhone. The watch is feature-oriented as well as affordable. The sensors that are used in the watch are powerful and give accurate results. It has a slimmer design and looks cool on the wrist. It consumes low power and the battery lasts up to 7-15 days and you can comfortably connect all the apps with the watch. 

Features
• 18-25 days standby time
• Smart calls and messages
• 1.4-inch screen
• Waterproof
• Full touch operating mode
• Movement monitor
• 5-7 working time