Steelseries Arctis 7 Transmitter Only HS-00013TX Used Original | eBay
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
Amazon.com: SteelSeries Arctis 7 - Lossless Wireless Gaming Headset with DTS Headphone: X v2.0 Surround - For PC and PlayStation 4 - White : Video Games
My new Arctis 7 Transmitter fully working with android : r/steelseries