KINGWEAR KW37 Pro Fitness Tracker (Banggood, Aliexpress: Charging Type: Clamp charging, Type: TFT, Battery Capacity: 160mAh, Waterproof IP68, Standby Time: About 10days, Size: 1.3inch, Charging Time: About 2hours, Resolution: 240*240pixels, Using time: About 5days (the best price with coupon)).
Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($38.34): BGc70579
2. ($38.34): BGbf11dd
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGKW37P, BGJPKW, BGSTKW37, band10, bgshOOp10, BG11SHOP, BGKW3719, BGCuponation10, BG25KW37, BGWRIBAND10, BGfa188f, 6GSGIT, BG5536fc, BG51f436
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for KINGWEAR KW37 Pro Fitness Tracker. The lowest price was: $9.99.
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)).