Get coupons, create price alert or check price history out! What is the best price?
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 code price check (UTC time):
Mode memory function to record your preferences and habits, a good companion for travel, 31000 times per minute high-frequency vibration, Rust-free and metal-free brush head, strong teeth cleaning, safer and healthier, 25 days of endurance, Rated voltage: 5V, Charging time: 4 hours, Battery capacity: 700mAh, Rated power: 2W
Banggood
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now…
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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGST300, AFfbG10, BGT30022, 502C6B, BGBGHFRI15, 0e7f33, BGHOMEG12, FBCOUPON1, BGCNT300JP, BGCNT300July, BGSJHome38, BGSepPro27, BGHome15%, BGHOMEA15%, BGTOOBEUR, BGBTJU51, BGBTJU29, BGAFF10OFF, BGCuponation10, BGXIAOMICN, 13f142, BG10OFFAFF, BGwhielabel, BGXPDC21, BGGRE094, BG10OFFAFF1, BANGGOODSD, BGHealth06, BG589b2e
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Mijia T300 Sonic Toothbrush.
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)).