Frequency response: 7Hz – 40KHz, Driver unit: 10mm, Impedance: 32ohms, Sensitivity: 104dB.
Go down and check coupons out. Remember to check price history if it is available. What is the best price?
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. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($54.97): BGAlerabatKL
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): d4de0b, e2bcea, TTxBG10, aff7off, BG3CSUM, bgssaff9, AFfbG10, affbg10, 502C6B, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, EARSP11, BGAFF10OFF, BGMPB2020, bGhOnEy10, BGSS10%SW, bgshOOp10, 7d18f7, BGELIG0920, BG4BW25, BGLOAC1, 13f142, BGa0b145, BGBuscape01, BG651551, BGBRPL2, BGHOTSHOP15
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – KZ ZS10 Hybrid Earphones With Microphone ($-3)
2. China – KZ ZS10 Earphones Red NoMic ($-3)
3. China – KZ ZS10 Earphones With Mic Blue ($-3)
Price history and price alert
Here is price history (for all/most countries) for KZ ZS10 HiFi Hybrid Earphones Black NoMic. The lowest price was: $26.99.
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)).