Model GM3, Sensitivity -42dB±3dB, Transmission Distance 8-10M, Active Noise-Cancellation Yes, Brand Lenovo, Horn Diameter 12mm, Support APP Yes, bluetooth version 5.0, Signal to noise ratio ≥58, Frequency Response Range 20-20000Hz, Charging port Type-C, Distortion ≤5%, Impedance Range Up to 32Ω.
Basically copy coupon, view price history or create e-mail price alert. 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.
Link: Banggood product page
1. ($25.99): BG18dc59
2. ($32.12): BGAlerabatKL
3. ($32.12): BGAudioVideo
this code has to be applied 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/i1u
Old coupons (from the oldest to the newest): BG19af92, BGBuscape01, BG651551, BGBRPL2, BGHOTSHOP15, BG62fd99, BG53e9c8, BGd173b4
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Lenovo GM3 Bluetooth 5.0 Gaming Headset. The lowest price was: $25.99.
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)).