Xiaomi Mi9 6/64GB Global Black (Banggood, Aliexpress: Display: 6.39 inch, smart gestures, CPU: Qualcomm Snapdragon 855 Octa Core 2.84GHz, wake gesture, GPU: Adreno 640, Ambient Light Sensor, Ultrasonic, Feature: GPS, System: MIUI 10 (Android 9.0), Face ID, Beidou, RAM + ROM: 6GB RAM 64GB ROM, SIM Card: nano SIM card + nano SIM card, Camera: 48.0MP + 12.0MP + 16.0MP rear camera + 20.0MP front camera, Gyroscope, Infrared, Fingerprint Sensor, E-compass, Gravity Sensor, GPRS, A-GPS, 2340x 1080 FHD+ Corning Gorilla Glass 5 Screen, Sensor: Accelerometer, Glonass, Bluetooth: 5.0 (the best price with coupon)).
Check coupons or create price alert down below. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
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 Hong Kong.
Link: Banggood product page
1. ($296.99): BGAFF10OFF
2. ($324.99): 7d18f7
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): plfonall, 4BGM964, 4BGM964NE, 5BGM964, BGGR7LB, BG5M964, BG5M9G, BGkodmi9, BGMI964, BG5M96G, BG6M96G, BG6M96G5, BG6X964, BG6X966, BGM9GG, BGPLMI9, BGM9GGES, affiliate6, BGM9GGES2, BGM9618, BGUK6, aff7off, BG7SM9Y, bgssaff9, BGletnimi9, BG7SM9, BG7SM964, BGPUREMI964, BG8SM964, BG8XE964, BGMSFH, BG88964, BG8M964CC, od7off, BGM9864, BGM9GV, BGM964C, BGaDmITAd, BG13thplmi9, BGM9G64, BGM964C2, BGpl64gmi9, BGM964CL, 7bcdf9, BGM964EU7, BGM964EU8, 2880c7
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Hong Kong – Xiaomi Mi9 6/64GB Global Blue ($-3)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Mi9 6/64GB Global Black. The lowest price was: $309.99.
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)).