I have just checked coupons. The lowest price I could get is $35.99 for MAFAM F899 2.4 inch Dual Display 2800mAh (in Banggood). Basically copy coupon, view price history or create e-mail price alert. What is the best price?
MAFAM F899 2.4 inch Dual Display 2800mAh FM Vibration SOS Fast Quick Torch Loud Volume Flip Feature Phone – Black
Latest price update (UTC time):
Banggood ($35.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Is it cheap? Hmmm, price is higher than average (which is $35.74 right now), so better set price alert down below…
Link: Banggood product page
Price: $35.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
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
Do you need price history chart (for all/most countries) for MAFAM F899 2.4 inch Dual Display 2800mAh? There we go.
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)).