Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi Multifunctional Sports Leisure Chest Waist Bag | 16.83 USD | – |
 |
Xiaomi Multifunction U-shaped Massage Neck Pillow | 36.78 USD | Paste “FUES03 or OUTDOOR3 or ODFW03” (may not work) |
More on Aliexpress… Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (44.17 USD): BGAlerabat1
Coupon (48.84 USD): BG00c906
(CouponsFromChina.com tip: this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): BT806, CS911, Home26, XMP1120, 8c7a15, 502C6B, vipupgrade8, BGRU241, TTxBG10, aff7off, bgssaff9, AFfbG10, BGPL222, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, BGHOMEG12, BGWWBUI, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEA15%, BgcLuBofErtA10, BGCuponation10, 13f142, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, 00c906
(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
Here is price history (for all/most countries) for Xiaomi Multifunction U-shaped Massage Neck Pillow.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).