I have just checked coupons. The lowest price I could get is $57.99 for Retevis RA89 10W Walkie Talkie (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Retevis RA89 10W Walkie Talkie UV Dual Band Intelligent Noise Reduction IP68 Waterproof Long Range Two Way Radio Portable USB-C Charge Transceiver EU Plug
Latest coupon and price update (UTC):
Banggood ($57.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Price? Current price is the lowest in history (according to CouponsFromChina database)!
Link: Banggood product page
Price: $57.99
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGESJY8, BGALL8
(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
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Retevis RA89 10W Walkie Talkie.
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)).