SteelSeries Arctis 9 Wireless ($200) | 2.4 GHz RF wireless mode

Corsair HS80 RGB Wireless ($150) | Wireless Mode

Rode NT-USB ($169)
Placed between the keyboard and the speaker

SteelSeries Arctis 7 ($150)
Wireless USB connection (WiFi dongle supplied)

HyperX Cloud Flight ($160) 
Wireless USB dongle (supplied)

Rode NT-USB ($170)
High-quality studio USB microphone
www.rode.com/microphones/nt-usb

Sennheiser GSP 670 ($349) 
Voice Enhancer Off

Corsair Virtuoso RGB SE Wireless ($209) 
Wireless connection (2,4 GHz radio)