Connecting interface: 3.5mm, Frequency response: 10-40KHz, Impedance: 22ohms, Sensitivity: 107dB.
Get coupons, create price alert or check price history out! 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($29.69): BG4BW25
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): 1a3b8f, e2bcea, TTxBG10, aff7off, BG3CSUM, bgssaff9, AFfbG10, 0e7f33, EARSP11, FBCOUPON1, BGAFF10OFF, BGTT10, bGhOnEy10, BGSS10%SW, bgshOOp10, BGELIG0920
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – KZ ZSR Earphones Black Standard ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for KZ ZSR Hybrid Earphones With Mic. The lowest price was: $16.31.
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)).