Just check coupons out (with price alert and history). Do you want to know what the best price is?
Connecting interface: 3.5mm, Cable Length (m): 1.2m, Frequency response: 20~20KHz, Impedance: 16ohms, Sensitivity: 105dB ± 5dB
Aliexpress
I could not find it 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
There is only one database record (it was for $5.59), so you can’t see price history chart.
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)).