You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Weight 370g, Charging time 3h, Endurance 13h, Battery 2600mAh Li-ion Battery, Working temperature 0-40℃, Power rating 18W, Model XIAOMI MIJIA YMJM-M351, Input voltage 5V-2A, Interface type Type-C, Color Dark blue/White/Pink, Noise ＜40dB(A), Size 101*130*45mm, Material ABS + Silicone
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. ($84.99): BGd85953
2. ($98.59): BG75597c
3. ($105.55): Cuponation9
4. ($106.71): BG8ReviTrage
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGcb266e, BG8ec602, BG8fcd54, BGc0163c, BG00b74a, 2022ACTIESNL, BGALIBUY757, BGHB218, BG687fa1, BGSPM757, BGALIBUY758, BGGREM757, BGMHO06, BGaaeafb, BG12e4f1, BG52bdda, BGALIBUY687, BG9ae8d2, tRaDetRaCKeR, BG352b73, BGHECARE1, BG4ee866, BGb795c5, BGHOM011, BGcc8a12, BGa5bdd1, BGa9ae00, 9OFFSUMMER
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi MIJIA Mini Massager YMJM-M351 [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi MIJIA Mini Massager YMJM-M351? There we go.
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)).