Detailed Control Distance: 60~70m, Transmitter Power: 4x AAA battery (not included), Battery: 7.6V 550mAh HV LiPo, Flying Time: 8-10 mins.
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database.
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!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): rchobbies8, 502C6B, TTxBG10, BGss9%rc, AFfbG10, BGBFAFF2019, bGhOnEy10, BGSS10%SW, BGRC902
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for HUBSAN H507A X4 Star Pro Drone RTF? There we go. The lowest price was: $66.49.
Price records source(s): Gearbest, 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)).