$19.99 – Power: 2W, Working Time: 90 Minutes, Charging Time: 2 Hours, Frequency: 5V=1A, Model: MQXJQ01KL, Cleaner Types: Lint Removal, Voltage: DC3.7V, Color: White.
I have just checked coupons. The lowest price I could get is $19.99 for Xiaomi Mijia Lint Remover (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest coupon code price check (UTC time):
Banggood ($19.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Is it a reasonable price for this item? Well, this price is higher than average price ($10.74)
Link: Banggood product page
Price: $19.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGXMLR, PICODICOM, BG90MINUTPL, BGMiNew2, BGTEP2, BGMumlatzimMN, BG2MiFuzz, BGXMLRM, BGCITYADS2019, BGXMRML, BGMJ90MN, BGMJTRM, bGpAnDacHeCk, bg10p99, BGMJTRMV, BGTRMBH, 2020CNY, BGTRYM, BGMi77, BGMJ90, BG2SB2, BGXMLRF, BGXMWR, BGAHOFF, BGHOMEAPP, BGXMHY, BGXMTRM, bGhOnEy10, BGHYS1, BGXIAOMI811, BGHB20, BG11716, BGSVER1, BgcLuBofErtA10, BGXMLR999, 13f142, BG71817, BGPTU181, BGAFF10OFF, BG19561, BGA71817, BGDC817, BGS1817, BGD71817, BGHONEY2110, BGCN1877, BGMAY013, BGAE0507, BG10OFFAFF, BGjune02, BGISRAE999, BGAEjune18, BGjune101, BGwhielabel, BGisrale55, BGjuly35, BGd159c, BG10OFFAFF1, BGdb1e37, BG1a59e1, BGXMLRES, bgshOOp10, BGLRMCZ, BGXMLRMG, BGXMTFK, BGHOMEAPP12, BG9XMTMK, BGHOMEAPP13, BGMQXJQ01KL, BGHU0154, BGHOMEA13, BGMJKL11, BGCDC012, BGWQ01KL, BGBFC006, BGMQMJ12, BGJQ01KLCZ, BGCZ01KL, BGMQXJQ01KLCN, BGQ01KLES, BGCuponation10, BGMQXJCZ, BGCFME14, BGHU0398, BGQ01KLCZ, BGLMXMH, BGJQ01KL, BGKRFSF, BGACZXMLR, BGACZXIMI, BG72c4f8, BG1f909b, BGHU0833, BG6e3943, BGd13c9f, BANGGOODSD, BGHealth06, BGDBU46, BGDC1129, BGHW125, BGIS146, 00c906, BGf0f255, 2022ACTIESNL, BG40b07e, BGIS0307, 2203ActiesNL, MVC8SPRING, BG7785cd, BGjune08d, BGjune10b, BGjune29b, BGxiaomiCUT, BGxiaomiCUTa, BGAHPU13, BG8ff28a, BG568373
(probably won’t work, but you can try them out)
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.
Price history and price alert
Price history (for all/most countries) for Xiaomi Mijia Lint Remover is here. The lowest price was: $7.99.
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)).