UMIDIGI Uwatch3 Fitness Tracker (Banggood, Aliexpress: Resolution: 240*240pixels, Standby Time: About 45-60 days, Using time: About 10 days, Type: TFT, Length: About 250mm, Material: Silicone, Bluetooth Version BT4.2(Support BT5.0), Battery Capacity: 210mAh, Charging Time: About 2.5 hours, Charging Type: Magnetic charging, Size: 1.3inch, Waterproof 5ATM, Width: About 20mm (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGUwatch3, BGVDay10%off, BGAFF10OFF, band10, BGUMU3, BG11SHOP, BGCuponation10, BGWRIBAND10, 6GSGIT, BG51f436, BGc70579, BGbf11dd, BG284c49, BG217661, BG8FORMULAMX
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for UMIDIGI Uwatch3 Fitness Tracker. The lowest price was: $13.9.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).