Aliexpress
Click here… to search for VH F09 Portable USB Hanging Neck Fan on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (24.69 USD): Terence
Coupon (24.96 USD): BG00c906
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): BGWXHNVVDC2, BGdragonBoat, bGhOnEy10, bgshOOp10, BGHome15%, BGHOMEA15%, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGSXFR769, BGDS769, BGPDhome28, BGis769, BGTYSE769, BGSPHOME22, ADMITAD2212, 2022ACTIESNL
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for VH F09 Portable USB Hanging Neck Fan? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).