![Thought I'd share my solution to using my Bluetooth headphones with my Portal. Some of the earlier 3.5mm transmitters posted had poor battery life (4-5 hrs). Enter the Avantree Relay premium Bluetooth Thought I'd share my solution to using my Bluetooth headphones with my Portal. Some of the earlier 3.5mm transmitters posted had poor battery life (4-5 hrs). Enter the Avantree Relay premium Bluetooth](https://preview.redd.it/thought-id-share-my-solution-to-using-my-bluetooth-v0-5vbuu6ifx02c1.jpg?width=1080&crop=smart&auto=webp&s=71bbd84bbd4c120b25affaaf72bf49e72ede2908)
Thought I'd share my solution to using my Bluetooth headphones with my Portal. Some of the earlier 3.5mm transmitters posted had poor battery life (4-5 hrs). Enter the Avantree Relay premium Bluetooth
![Avantree HT5009 40Hrs Bluetooth 5.0 Wireless Headphones for TV Listening with Transmitter (Digital Optical RCA AUX), Pass-Through Support, 164ft Long ... Avantree HT5009 40Hrs Bluetooth 5.0 Wireless Headphones for TV Listening with Transmitter (Digital Optical RCA AUX), Pass-Through Support, 164ft Long ...](https://m.media-amazon.com/images/I/41k+dhpXjsL._AC_.jpg)
Avantree HT5009 40Hrs Bluetooth 5.0 Wireless Headphones for TV Listening with Transmitter (Digital Optical RCA AUX), Pass-Through Support, 164ft Long ...
![Avantree Aria 90C, a Second Pair of Bluetooth Headphones Opera Wireless TV Watching Set Dual Link, Comfortable 35 Hrs, Extra Loud (No Charging Dock Included, Single Headphone Only): Amazon.co.uk: Electronics & Photo Avantree Aria 90C, a Second Pair of Bluetooth Headphones Opera Wireless TV Watching Set Dual Link, Comfortable 35 Hrs, Extra Loud (No Charging Dock Included, Single Headphone Only): Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/51QpT5jDcBL._AC_UF1000,1000_QL80_DpWeblab_.jpg)