Cable Length (m): 1.2m Compatible with: Computer, Mobile phone Connectivity: Wired Driver unit: 10mm Frequency response: 7Hz – 40KHz Impedance: 32ohms Sensitivity: 104dB.
Basically copy coupon, view price history or create e-mail price alert. 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 price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($37.52): d4de0b
2. ($42.21): TTxBG10
3. ($43.62): aff7off
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): e2bcea, BG3CSUM, bgssaff9, AFfbG10, affbg10, 502C6B, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, EARSP11, BGAFF10OFF, BGMPB2020, bGhOnEy10, BGSS10%SW, bgshOOp10, 7d18f7, BGELIG0920, BG4BW25, BGLOAC1, 13f142, BGa0b145, BGBuscape01, BG651551, BGBRPL2, BGHOTSHOP15, BGAlerabatKL
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – KZ ZS10 Hybrid Earphones With Microphone ($-3)
2. China – KZ ZS10 HiFi Hybrid Earphones Black NoMic ($-3)
3. China – KZ ZS10 Earphones Red NoMic ($-3)
Price history and price alert
Price history (for all/most countries) for KZ ZS10 Earphones With Mic Blue is here. The lowest price was: $29.99.
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)).