$18.39 – that is current price with coupon for Wechip W1S 2.4G Wireless Voice Air Mouse (in Banggood). Just check coupons out (with price alert and history). Best price?
Wechip W1S 2.4G Wireless Voice Air Mouse Built-in Six Axis Inertial Sensor Infrared Learning 10M Remote Control Independent Voice Key Set Top Box Remote Controller
Latest coupon and price update (UTC):
Banggood ($18.39)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. Price? Hmmm, price is higher than average (which is $14.49 right now), so better set price alert down below…
Link: Banggood product page
Price: $18.39
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGfe3ac2
(you can check these old coupons out, but these probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
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 Wechip W1S 2.4G Wireless Voice Air Mouse is here.
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)).