Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
Cable Length (m): 1.25m, Plug Type: 3.5mm, Frequency response: 20-20000Hz, Impedance: 32ohms, Sensitivity: 98 dB (S.P.L at 1KHz)
Aliexpress
There’re some similar (or not) items on Aliexpress
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.
Link: Banggood product page
1. ($5.99): BGRTY85
2. ($8.49): BGLOAC1
3. ($8.99): BG4BW25
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 15earbud, 502C6B, esPiston2, TTxBG10, 2019SPEDM, aff7off, BGXMPP, BG3CSUM, bgssaff9, AFfbG10, BGGR10, BGPTXM1, BGAHMEDXM, BGAhmedP6, BG136ah, BGXMERA, BGGR263, BGXMP23, BGCNXM2, BGCITYADS2019, BGVDay10%off, EARSP11, BGAFF10OFF, bGhOnEy10, BG11SHOP, BG136, 13f142, BGAHM392136, BGa0b145, BGe4f59f, BGb60654, BGBuscape01, BGBRPL2, BGHOTSHOP15, BG53e9c8, BGAlerabatKL, BG1f82b7, BGd173b4, BGAudioVideo, BGAUDIO
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi Piston Fresh Version Earphones Black ($-3)
2. China – Xiaomi Piston Fresh Version Silver Earphones ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Piston Fresh Version Earphones Blue.
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)).