Blackview R3Pro Smart Watch for Women 1.69" Screen/ SpO2/Heart Rate/Sleep Monitor/Body Thermometer £14.99 with voucher @ Amazon / BD-BBWATCH

Actually, there is a brand called Blackview behind this and they make many decent smart devices. Not bad at all. In case you don't like it, just return it. Reviews are decent, tbh.
Manufacturer's site

• ⌚【2023 Upgraded Smart Watch】Blackview R3Pro Smart Watch is equipped with a large 1.69-inch high-definition screen, allowing you to easily read the information on the screen in the sun or in the dark. Enjoy a variety of cool watch faces and DIY dial designs. You can also choose your favorite picture in the App (GloryFit) to customize the dial to release your unique personality. Provide 2PCS different watch straps ( TPU+Nylon) for easy replacement and cleaning.
• 💕【Your Health Butler】Blackview activity tracker offers heart rate monitor, blood oxygen (SpO2) saturation measurement, temperature measurement and sleep monitor. You can also enable 24-hour real-time monitoring of your health on the App. The high-performance motion sensor monitors sleep status (deep sleep,light sleep,wake-up time) and provides comprehensive sleep quality analysis. You can read data directly on the smartwatch or App, which can help you better understand your health.
• 🏃【Best Fitness Partner】Blackview fitness watch can track your activity all-day, like steps, calories burned, distance and active hours. Support 24 sports modes including outdoor and indoor activities like Running, Cycling, Swimming, Badminton, Tennis, Alpinism, Walking, Basketball, Baseball, Dancing, Yoga etc. Record real-time routes of our outdoor activities and our workout route. You can view your running position map on the "GloryFit" App, just connect with phone GPS.
• 📱【Compatible with Android iOS】 Easy to receive call reminder, SMS notifications, email, Facebook, WhatsApp, Instagram etc. social App notifications after the smartwatch connect with your phone. Blackview smartwatch supports iOS 9.0/Android 6.0/ Bluetooth 5.0 or above smartphones. More practical features like sedentary reminder, pedometer, remote camera control, music control, weather forecast, do not disturb mode, brightness adjustment, alarm clock, stopwatch etc.
• 🔋【Longer Battery Life】With 230mAH battery capacity. Fully charged about 2-3 hours, it can be used for up to 5 days and support 30-40 days standby time. ⚠ There is no need to take off the watch when washing hands and facing rainy weather, convenient for your daily life usage. [ PLEASE NOTE: THE SMARTWATCH IS NOT FOR DIVING, SAUNA, HOT WATER OR SWIMMING IN THE SEA. DURING ANY WATER-RELATED ACTIVITY, PLEASE DON'T PRESS 'POWER BUTTON' OF THE WATCH TO PREVENT WATER FROM ENTERING.]
• 【Enjoy More Features】Blackview Smart Watch includes more practical functions, Fitness Tracker (Pedometer, Calories, Distance), Heart Rate Monitor, Sleep Monitor, Blood Oxygen Monitor, Body Thermometer, Female Heath, 25 Sports Modes, Weather, Customized Dial, Messages Reminder, Music & Camera Control, Do Not Disturb Mode, Brightness Adjustment, Sedentary Reminder, Breath Guide, Alarm Clock, Stopwatch, Timer, Flashlight, Find Phone and more.
• 💌【Buy without Risk】After receiving the product, if you find any missing accessories, any quality problems or operation problems, please notify us immediately, we will help you to solve the problem at the first time. [①: Product page > Click 'seller name' > Click 'Ask a question’. ②: Amazon Account > Your Order > finding related order ID > Click 'C0ntαct Seller’]. We promise to return your money if you are not happy with your purchase.

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