1byone Outdoor TV Antenna, 4-Bay Multi-Directional Outdoor/Roof Antenna up to 65 Miles, Support 1080P, 4K and 3D Channels, High Gain VHF/UHF Antenna with Foldable Panel- Bowtie HDTV Antenna BLUETOOTH FUNCTION : It is a wired Bluetooth headphone for 7 8 X XS XR XS Max, please open the Bluetooth to connect when using, and it will connect automatically when you plug into the cable in 2-8 seconds if your Bluetooth is open.