Aliexpress
Click here… to search for Xiaomi Bluetooth 4.0 Speaker Silver on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi Mi Mini Speaker Bluetooth 4.0 (-3 USD)
2. China – Xiaomi Mi Bluetooth 4.0 Speaker Golden (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (16.37 USD): BG11SHOP
Coupon (16.99 USD): 13f142
Coupon (16.99 USD): bgshOOp10
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): c767e1, 00c714, a5d15a, 3afd1f, 30XMBS, e2bcea, TTxBG10, BGAltabox, BGXM55, 2019SPEDM, aff7off, BG3CSUM, bgssaff9, AFfbG10, BGBS001, affbg10, 502C6B, BGCNXM3, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, BGXMAA, BGAASRA, EARSP11, BGAFF10OFF, BGTT10, bGhOnEy10, BGXMS088, BGSS10%SW, BGELIG0920
(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 2 another warehouse/versions!
1. China – Xiaomi Mi Mini Speaker Bluetooth 4.0 (-3 USD)
2. China – Xiaomi Mi Bluetooth 4.0 Speaker Golden (-3 USD)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Bluetooth 4.0 Speaker Silver? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).