bluetooth Version V5.0, Speaker Size 13mm, Brand Lenovo, Color Black/ Red, Frequency Response 20-20kHz, Transmission Distance 15m, Material ABS, Battery Capacity Earbud: 30mAh, Model GM1, Supported Profiles HSP/HFP/A2DP/AVRCP, Wearing Type In-Ear, Charging Box: 320mAh, With Microphone Yes.
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
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. Only one coupon available!
Link: Banggood product page
1. ($38.28): BG651551
put item in your cart and apply coupon code there 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): BG2483ae, 13f142, BGff1dc8, BGGM1BR, BGa0b145, BGBuscape01
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Lenovo GM1 Gaming TWS Earphones is here. The lowest price was: $26.
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)).