Just check coupons out (with price alert and history). What is best price?
bluetooth protocol HFP/A2DP/ HSP/AVRCP, Battery Capacity Charging box: 300mAh, Standby Time (h) 150h, Wearing Type In-ear, Earphne: 43mAh, Earphone: 26.65×16.4×21.6mm, Microphone Yes, Frequency Response 20-20kHz, Model TWSEJ061LS, Color Black, Transmission Distance 10m, 3.7V, Net Weight (g) 35.4g, 3.7V, bluetooth Version V5.0, Name Airdots 2, Charging Time (h) 1.5-2h, Working Time (h) 12h, Material ABS, Dimensions Charging box: 62×40×27.2mm, Impedance 32Ω
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. ($28.46): BG53e9c8
2. ($28.46): BGAlerabatKL
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGRMDOTS2, BGDOTS2AA, BGKHY5, BGRM203, BGRM206, BGRM207, BGHUF74879, BGRAD2TWS, BGHLXU2, BGRM2USA, BGHLOP1, BGRM2909, BGRM29092, BGRM2CZ, BGRM2077, BGRM2ES, BG02CNRM, BG03XMGV, BG28XMGV, BGRMJK1, BG11CNRM, BG748791, BG26CNRM, BGHKRM98, BGHKRM022, BGHKRM226, BGHKRM99, BGRM299, BGRM277, BGRM2BB, BGRM2RU, BGJPHGMK01, BGRM99, BGXMRU02, BGRM2ACN, BGRM255, BGRM2CC, BGLOAC1, 13f142, BGDOTS21, BGRM227, BG7b0f19, BGf57cfe, BG89ff25, BG41238c, BG14699c, BG3da290, BGa0b145, BG1b1e35, BGZB036, BG5acf5a, BGef104e, BG53fd9d, BG9e6b69, BG1062e1, BGba805c, BG11d7d8, BG647ecb, BG6b99f2, BG7HM2, BGRM2HK, BGROTTERM2, BGROTTER036, BG475ed3, BGd75953, BGca5fc3, BG6bee70, BGe5fb5f, BG6772c5, BGJP99BQ, BG5440ef, BGe47130, BG2ae812, BGBuscape01, BG651551, BGBRPL2, BGHOTSHOP15, BG70539d
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Redmi Airdots 2 TWS Earphones [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Redmi Airdots 2 TWS Earphones.
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)).