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 1 Wireless Review: A Go-Anywhere Headset | WIRED
Arctis Nova 7 Wireless: Diablo® IV Edition | SteelSeries
Arctis Nova 7 Wireless: Diablo® IV Edition | SteelSeries