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Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I have no active coupons for you right now.
Link: Banggood product page
Price: -3 USD
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
Old coupons (from the oldest to the newest): BGDS689, BGCuponation10, BGTY503DL, BGHONEY2110, 13f142, BGd0b05d, 00c906, BG00c906, BGe46870, 2022ACTIESNL, BGAlerabat1, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, hoNEYbGdeAlS, BGJUNEGSG9, BG8ReviTrage
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for BAOFENG RS-U1 Plus Mini Walkie Talkie 2 pcs..
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).