This product is either discontinued or we cannot get that from suppliers.
Asus Rog Strix Fusion F300 ROG-STRIX-F300, Gaming Headset with Microphone, Wired, Driver 50mm, Mini-phone USB.
Asus Rog Strix Fusion F300 Gaming Headset with Microphone (ROG-STRIX-F300) ROG Strix Fusion 300 Virtual 7.1 LED Gaming Headset with Microphone for PC/Mobile/Console.