Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
Wired Control Not support, 3.7V, Waterproof Level IPX5, Working Time (h) 6.5h, Transmission Distance 10m, 70m(Charging Case), Audio Format SBC/AAC, Standby Time (h) 24h, Battery Capacity 360mAh, Impedance 16Ω, Receive Sensitivity 100±3dB, Microphone Yes, Taking Time 6h, Frequency Response 10-22KHz, bluetooth Version 5.0, Charging Port Micro-USB, Optimized Latency 60ms, Charging Time (h) 50m(Headphones)
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. You can get coupon down below.
Link: Banggood product page
1. ($27.02): BGBK15
apply it in your cart 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): BGW11, BGNABKW1, BGNAFW1, BGBAK15
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Check out price history chart (for all/most countries) for FUNCL W1 Youth Bluetooth 5.0 Earphones.
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)).