Xiaomi MITU Baby Hair Clipper (Banggood, Aliexpress: Input parameter 5V= 1A, Rated power 2W, Model DIEL0384, Applicable age 3 to 12 years old boy, Applicable age 0-3 years old baby, Waterproof grade IPX7, Rated voltage 3.7v (the best price with coupon)).
You can create price alert here, copy coupons and view price history. What is best price?
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. ($38.69): BGHONEY2110
2. ($38.69): BG10OFFAFF
3. ($38.69): BGwhielabel
4. ($41.99): 13f142
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): HHHHHOT, healthylifestyle, vipupgrade8, 20%OFFSUMMER, ML15%Pro, BGMITUIPX7, BGSR15, BGMITUS, 502C6B, BGGRCLIPPER, BGTTT24, BGB146, BgoFErTaSchInA10, bGhOnEy10, BGHALLOWEEN, BgcLuBofErtA10, BGALIO41, BGNMJI1254, BGAFF10OFF, BGCuponation10
(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
Price history (for all/most countries) for Xiaomi MITU Baby Hair Clipper is here. The lowest price was: $19.99.
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)).