Transmitter power: 4x AA battery (not included), Remote control distance: more than or equal to 600M, Remote control: two-way 2.4G (weak signal alarm and low-voltage alarm), ESC: 8A (with stuck protection), The maximum flight time: 22 minutes, The highest flight speed: 10m/s, remote control GR6221A, The wheelbase is 310mm, Motor: 2204 1400kv brushless motor, battery: 2S (7.4V) 2800mAh li-ion, Charging time: about 7 hours.
Basically copy coupon, view price history or create e-mail price alert. What is the 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 price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($125.99): bGhOnEy10
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 502C6B, 828751, AFfbG10
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – MJX Bugs 3 Pro B3PRO Drone 1080p 2 Batteries ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for MJX Bug 3 Pro B3PRO Drone 720P 1 Battery? There we go. The lowest price was: $129.99.
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)).