Frequency Response 20-20kHz, Wearing Type In-ear, Color Black, White, Microphone Yes, Model XT90, Supported Profiles HSP/HFP/A2DP/AVRCP, Brand Lenovo, bluetooth Version V5.0, Support Audio decoding AAC, Material ABS+PC, Transmission Distance 33 feet (10m).
Price history, coupons and price alert are available on this page. 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 Europe 
. I can’t tell you if this price is good – not enough records in my database, so I won’t judge.
Link: Banggood product page
1. ($22.09): BGBRPL2
2. ($22.09): BGHOTSHOP15
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG28XT90, BGSYXT90, BGAAXT90, BGBFEE02, BGLOAC1, 13f142, BGcbca14, BGd7a5bb, BG571ca6, BG320286, BGa0b145, BG151e61, BGBuscape01, BG1a2af4, BG651551, BG514373, BGAlerabatKL, BGd173b4, BGAudioVideo, BGAudio3, BGAudio9
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Lenovo XT90 TWS Bluetooth 5.0 Earphones ($-3)
Price history and price alert
We don’t have enough records in database to show price history for this item. BTW: We have only recorded this price: $15.99.
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)).