$31.99 – Connection method: 2.4GHz wireless connection, Product net weight: keyboard 534g (without battery) mouse 45g (without battery), Product material: plastic / metal / etc., Receiver interface: USB-A interface, Working temperature: 0C~40C, Support system: Windows10 and above, Number of keyboard keys: 104, Rated input: 1.5V =- 50mA(keyboard) 1.5V= 50mA(mouse), Product size: 438x129x31mm (keyboard) 108.5×57.5×35.6mm (mouse), Product Model: WXJSO2YM.
According to my DB the lowest price is $31.99 for Xiaomi WXJSO2YM Wireless Keyboard Mouse Set (in Banggood). Get coupons, create price alert or check price history out! What is best price?
Latest price update (UTC time):
Banggood ($31.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. Is it expensive? Hmmm, price is higher than average (which is $29.87 right now), so better set price alert down below…
Link: Banggood product page
Price: $31.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BG589b2e, BGcf924d, BG4443d7, BGec3a68, BG3a328a, BG5b4410, BG0725b6, BG3574fd, BG8FORMULAMX, BGc7b7a7, BG3d4651
(I don’t think these’re gonna work, but you can try ’em out anyway)
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 WXJSO2YM Wireless Keyboard Mouse Set is here. The lowest price was: $24.99.
Price records source(s): 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)).