Bluetooth Chip V5.3, Brand Lenovo, Wearing Type In-ear, Model GM2 Pro, Color Black / blue, Material ABS, IP Level Anti-sweat and waterproof.
Basically copy coupon, view price history or create e-mail price alert. What is 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 and price update (UTC):
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon 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!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG0722c8, BGAUDIO, BG5207df, BG9ba0e8, BGcb8d25, BGbe35c2, BG6e9a1b, BGf6a08c, BG1b5830, BG67bc35, BG92c1e4, BGcb245d, BGAudio3, BGAudio9
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Lenovo GM2 Pro Bluetooth V5.3 Gaming Earphones is here. The lowest price was: $12.01.
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)).