It is powered by 2 AAA batteries (included), Resolution: 1200DPI.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
New Xiaomi Redmi Buds 6 Play Wireless Bluetooth Earphone, AI Noise Reduction, BT5.4, Touch Control Wireless Earphone 5 EQ Modes | $25.02 | – |
Click here to search by yourself. Here are coupons that you can use.
Updated:
Banggood
Warehouse in Hong Kong.
Link: Xiaomi Bluetooth 4.0 Mouse Gray
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons:
1. First page
2. Second page
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. Hong Kong – Xiaomi Bluetooth 4.0 Mouse Silver ($-3)
2. Europe – Xiaomi Bluetooth 4.0 Mouse [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Bluetooth 4.0 Mouse Gray? There we go. The lowest price was: $15.49.
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)).