Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Charging Time (h) 1-2h, Music Time 6h, Dimensions 18*31*40mm, Net Weight (g) 4g, Supported Profiles HSP/HFP/A2DP/AVRCP/AptX, bluetooth Chip QCC3020, Material ABS+PC, Wearing Type In-ear, Color White, Standby Time (h) 30h, Microphone Yes, Volume Control Yes, Transmission Distance 33 feet (10m), Call Time (h) 6h, Charging Interface Type-C, bluetooth Version V5.0, Model T19, Frequency Response 20-20kHz
Aliexpress
There’re some similar (or not) items on Aliexpress
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. Coupons for Haylou T19 TWS Earbuds? Nope, there’re no coupons in Banggood.
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): BGHAYT19, BGHAYT19AA, bgshOOp10, BG11SHOP, HAYLOU15, BGLOAC1, 13f142
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Haylou T19 TWS Earbuds.
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)).