bluetooth Version V5.0, App Support Version 5.1 and above android system, The music lasts about 3.5 hours, Interface Type Type-C, Waterproof Rating IPX4, Capacity of Charging Box 380mAh charging box, Support Protocol HFP/HSP/A2DP/AVRCP, Model In2003, Usage Time about 3 hours on the phone;, Compatible System iOS/Android, Name T7, Charging Times 4 times for both ears, bluetooth Name QCY-T7, Communication Distance 10m (in barrier-free open environment), 11 and above ios system.
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?
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($32.52): BGBuscape01
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGT7011, BGT7022, BGT7055, BGT7811, BGQCY017, BGLOAC1, BGQCYES, 13f142, BGT727, BGT7ES, BGa0b145, BGc555a0, 6GSGIT, BGBRPL2, BGHOTSHOP15, BG53e9c8, BGAlerabatKL
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – QCY T7 Bluetooth Earphones [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for QCY T7 Bluetooth Earphones. The lowest price was: $18.89.
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)).