You can create price alert here, copy coupons and view price history. What is the best price?
Dimension: 310 X 300 X 120mm, Weight: appr.200g, Shape: U-shaped
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
New Xiaomi U Shaped Travel Pillow Neck Support Head Rest Cushion Soft Car Air Flight Inflatable Pillows Travel Nap Rest Cushion | $13.48 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($22.39): 13f142
put item in your cart and apply coupon code there 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): BgAuMotor, AM15prime, AMPrime01, Automo, Automo1, BGAutos, bGhOnEy10, BGCARELEC, BGAFF10OFF, BGCuponation10
(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 U-Shaped Memory Inflatable Neck Pillow is here.
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)).