Aliexpress
Click here… to search for Xiaomi MITU Baby Hair Clipper on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (38.69 USD): BGHONEY2110
Coupon (38.69 USD): BG10OFFAFF
Coupon (38.69 USD): BGwhielabel
Coupon (41.99 USD): 13f142
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
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
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi MITU Baby Hair Clipper.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).