You can create price alert here, copy coupons and view price history. What is best price?
Cable Length (m): 0.6m, Frequency response: 24Hz – 24800Hz, Impedance: 50ohms, Sensitivity: 95dB
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $1.99.
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)).