Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Color Black, Type Handheld 3 modes, Showerhead Size 253x 120x 62mm / 9.96x 4.72x 2.44 inch, Cover 120mm, Hose Length 1.6cm/62.99 inch, Interface Size International G1/2 thread
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product 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/5cd
Old coupons (from the oldest to the newest): 502C6B, HHC15, vipupgrade8, alibuy3439, Faucet12, 3493f9, TTxBG10, BG2646, BG2281, BG2756, AFfbG10, BGBFCR43, BGCITYADS2019, BG6613, BGVDay10%off, BG7589, bGhOnEy10, BGYJ001, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, 13f142, BGCuponation10, BGHONEY2110
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Xiaomi Diiib Shower Head & Hose Black is here.
Price records source(s): Gearbest, 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)).