Go down and check coupons out. Remember to check price history if it is available. Best price?
Brand Xiaomi Redmi, Operating Mode Full-Touch, Model Smart Band Pro, APP Name Mi Wear, Compatible OS Android 6.0 or above; iOS 10.0 or above, Bluetooth Version BT 5.0
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 Hong Kong. You can get coupon down below.
Link: Banggood product page
1. ($73.59): BGCAPITALOS8
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGRMPRO, BG049203, BGSFANV16, BGHUCJ96, BG4657d9, BG50a52c, BGHU1776, BGa9ee54, BGc34c5c, BG7d50d6, BG15d3e7, BG60c35b, BGb3873c, BGHU1964, BGc70579, BG4e0070, BGJP0052, BG3003df, BG3cd060, BGHOBBY14, BGHOBBY15, BG937303, BGJP61706, BG6cff01, BG327796, BGJPJ00, BG86161a, BG1e5044, BGAUSRMP, BGb432c0, BGbf11dd, BGfb9c5e, BGc414b1, BGf02cc5, BG5994a2, BGd188c7, BG217661, BGCOUPERT8
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Redmi Smart Band Pro Smart Watch [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Xiaomi Redmi Smart Band Pro Smart Watch is here.
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)).