Cable Length (m): 1.2m, Frequency response: 20 – 40KHz, Plug Type: 3.5mm, Impedance: 14ohms, Sensitivity: 105dB.
Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($81.30): BGBuscape01
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 12annv-5, e2bcea, TTxBG10, 2019SPEDM, aff7off, BG3CSUM, bgssaff9, AFfbG10, 502C6B, BGBFAFF2019, BGHUA12396, BGCITYADS2019, Email3, BG20CES, BGVDay10%off, EARSP11, BGAFF10OFF, BGMPB2020, BGTT10, bGhOnEy10, Email5, BGSS10%SW, bgshOOp10, BGELIG0920, BG11SHOP, BG11PP7, 7d18f7, BG4BW25, BGLOAC1, BG651551, BGBRPL2, BGHOTSHOP15
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – KZ AS10 5BA Earphones Cyan With Mic ($-3)
2. China – KZ AS10 5BA Earphones Cyan No Mic ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for KZ AS10 5BA Earphones Black No Mic. The lowest price was: $37.99.
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)).