I am selling this item because I have never used it since I purchased it. Wireless gaming headset boasting THX Spatial Audio and up to 70 hours of battery life. - Model Name: BlackShark V2 Pro Upgrade Model Introducing the "BlackShark V2 Pro Upgrade Model," the ultimate wireless headset for esports, designed in collaboration with top esports pros. Engineered for pure performance, it features crystal-clear audio, advanced noise isolation, and all-day comfort, making it the perfect headset. 【Razer HyperClear Super Wideband Mic】The detachable microphone covers a wide range of frequencies, capturing and transmitting sound in great detail, ensuring your voice always reaches others with rich, natural sound quality. 【FPS Audio Profile Tuned for Pros】Can be set to an on-headset FPS audio profile tuned in collaboration with world-class esports athletes. Professional-grade audio provides maximum information to your ears, giving you an edge in the game. 【Razer TriForce Titanium 50mm Drivers】The cutting-edge proprietary design with a titanium-coated diaphragm enhances clarity, dividing the driver into three parts for high, mid, and low frequencies, delivering brighter, clearer sound quality while enriching the high frequencies and making the low frequencies more powerful. 【Razer HyperSpeed Wireless Technology】With the lag-free, high-speed wireless connection "Razer HyperSpeed Wireless Technology," game sounds are always synchronized with the game, so you won't miss important sounds or lose immersion in the game. Delivery is scheduled via Yamato Transport.