Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Lenovo TH40 BT5.0 Wireless Headphones ANC | 32.85 USD | – |
More on Aliexpress…Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
Coupon (44.43 USD): BGAudio9
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG9a169a, BG040049, BG4e94f2, BGAudio3
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Lenovo TH40 BT5.0 Wireless Headphones ANC.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).