Product battery: 3.7V 150MAH(Included), Flying time: 5-7mins.
Just check coupons out (with price alert and history). Best price?
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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($21.77): BGEachine10
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): aff7off, TTxBG10, e2bcea, EA09, 502C6B, a66be7, bgssaff9, AFfbG10, BGBFAFF2019, BGVDay10%off, BGEachineFB, BGAFF10OFF, bGhOnEy10, BGRC902, BGEachine2021, 13f142, BGCuponation10, BGJPH8MINI
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – Eachine H8 Mini RC Drone RTF White ($-3)
2. Europe – Eachine H8 Mini RC Drone RTF White [EU] ($-3)
3. Europe – Eachine H8 Mini RC Drone RTF Black [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Eachine H8 Mini RC Drone RTF Black is here. The lowest price was: $11.89.
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)).