Just check coupons out (with price alert and history). What is the best price?
Massage function, 300g Thai natural latex particles, Double interior design, Power supply: 2x AA battery (included)
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):
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Multifunction U-shaped Massage Neck Pillow [Fast-23].
Price records source(s): Gearbest
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)).