Go down and check coupons out. Remember to check price history if it is available. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Net Weight: 80g, Support OS: IOS 9.0 / Android 4.0 and above, Model: RM4C mini, Communication Mode: wifi 802.11b/g/n (2.4Ghz), Input Current: 750 mA, Infrared Direction: Multi-direction infrared, Working Humidity: ≤85%, Infrared Range: ≤8m, Standby Power: ≤0.69 W, Input Voltage: DC5V, gross Weight: 100g size: 8.5*5*6.5cm, Infrared Frequency: 35Khz
Banggood
Banggood warehouse is located in China. There are no coupons for this product in Banggood.
Link: Banggood product page
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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): aff7off, BG11RM4C, BGCITYADS2019, BGBFAFF2019, 13f142, BG9NY, bGpAnDacHeCk, 2020CNY, BGVDay10%off, BGBLRM4C, BGSAMH, BGBLKRA, bGhOnEy10, BGRM4C, BGILBK12, BGSMOFF, BGBLR4CM, BGSAMRTH, BGELIG0920, BgcLuBofErtA10, BGBDRM4CE, BGAFF10OFF, BGBLR4MI, BG15SH12, BGRM4CFRZ, BGSTHO15, BGBLRM4CS, BGCuponation10, BGHONEY2110, BG7cd85e, BGSHOM15, BG3c33ff, BG701dae, BG3c19f8, BGb5d2ff, BGD11068, BG9d7a18, BGB5079
(probably won’t work, but you can try them out)
Price history and price alert
Check out price history chart (for all/most countries) for BroadLink BestCon RM4C Mini RF & IR Smart WIFI Remote Controller.
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)).