Newest of the SoundPeats range, for $50 I've ordered one to give it a go. Released a couple of months ago, this is what they say:-
【Accurate Fitness Tracker Watch】 SoundPEATS fitness watch supports 13 sports modes such as Running, Walking, Cycling, Alpinism, Yoga, etc. It can accurately record your steps, distance walked, calories burned all day, motivating you to reach your exercise goal with real-time statistics on the watch, and it can connect to your smartphone's GPS to draw the route map in the SOUNDPEATS SPORTS app.
【Heart Rate Monitor & Sleep Quality Tracker】 This smart watch can automatically monitor your real-time heart rate and sleep activity which can also wake you up with silent vibrating alarms. You can check the relevant data in the app, which can help you better understand your health. This multi-functional watch also has many practical tools, like music controller/ stopwatch/ alarm clocks/ do not disturb/ find your phone/ sedentary reminder.
【Smart Watch for iPhone Android Phones】 This smartwatch is compatible with Android 4.4 and above& ios 8.0 and above devices, including smartphones/ tablets/ iPad/ iPod. You can get real-time notifications of your calls, texts, and social media notifications, such as Facebook, WhatsApp, Twitter, Instagram, etc, staying connected with the world. (Note: Can't reply to messages or make calls)
【Full Touch Screen & Multiple Watch Faces】 This smartwatch is equipped with a 1.28-inch color touch screen, containing 6 main dials and 50+ dials in the app, also you can customize the watch face and create your style. Besides, the adjustable wristband of this light-weight watch fits a wrist between 5.9 to 9 inches (perimeter), suitable for men, women, and teens. Perfect for Thanksgiving, Christmas and Birthday gifts.
【Swimming Waterproof & 10 Days Battery】 You don't need to take off the fitness watch frequently as this smart watch is rated IP68 waterproof and has super long battery life. You can feel free to sweat it out during exercise, shower, washing hands, playing in the rain or swimming with it. With the built-in 285mAh battery of this digital watch, one full charge (3.5 hours) supports 10 days of working time and 30 days of standby time.