GSP 370 from EPOS | A single charge, 100 hours of wireless gaming
EPOS | Sennheiser GSP 370 gaming headset review: "Sheer excellence in audio quality and incredible battery life make this one of the best" | GamesRadar+
EPOS GSP 370 Wireless Gaming Headset with a closed design Black 1000231 - Best Buy
EPOS | gaming headset, the perfect gaming headset for your home office Sennheiser GSP 370" is finally on sale! Up to 100 hours of wireless battery life! - funglr Games
Sennheiser Epos GSP 370 Wireless Gaming Headset - It's All About The Battery