How to use the Artis 7 with Bluetooth wirelessly: If you plug the Transmitter in a Powerbank the Aux-in still works. You can buy a cheap Bluetooth to Aux and connect it
SteelSeries' Arctis 7X and 7P use a fantastic USB-C wireless receiver - The Verge
SteelSeries Arctis 7+ Review | PCMag
Amazon.com: SteelSeries Arctis 7 - Lossless Wireless Gaming Headset with DTS Headphone: X v2.0 Surround - for PC and PlayStation 4 - Black : Everything Else
SteelSeries Arctis 7+ review
Amazon.com: SteelSeries Arctis 7 - Lossless Wireless Gaming Headset with DTS Headphone: X v2.0 Surround - for PC and PlayStation 4 - Black : Everything Else