Just check coupons out (with price alert and history). What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
POYATU 3.5MM Audio Aux Cable For Bluedio T2 Plus T3 Vinyl Plus V (Victory H Plus R R2 A Air HT U UFO Model B2 Headphone Cable | $4.91 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Driver unit: 57mm, Frequency response: 20~20KHz, Impedance: 16ohms, Sensitivity: 118dB, Input Power: Built-in 220mAh battery
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($42.49): BGLOAC1
2. ($48.99): 13f142
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 502C6B, BTkuule, e2bcea, TTxBG10, 2019SPEDM, BG3CSUM, AFfbG10, affbg10, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, EARSP11, BGAFF10OFF, BGMPB2020, bGhOnEy10, BGSS10%SW, bgshOOp10, BGELIG0920, BG11SHOP, BG4BW25
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Bluedio T2+ Plus Headphones White ($-3)
Price history and price alert
Here is price history (for all/most countries) for Bluedio T2+ Plus Headphones Black.
Price records source(s): Gearbest, 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)).