[Extended Playtime] The Earphone battery can run up to 20 hours per full charge – more than enough for a full day of binge-watching. When the battery is low, the transmitter base doubles as a charging dock; simply place the headphone onto the charging dock, it’ll start charging and be ready again in no time. [Soundbar / Stereo AVR Support] The “Pass-through” feature of Avantree Medley 6018 allows it to work TOGETHER with your existing Soundbar or Stereo AV Receivers WHILE sharing the same audio output port on TV; hear the TV at your own volume through the headphones while your family/friends listen through the speakers. [Hassle-Free Set Up] No need to go through the complex Bluetooth pairing process; simply plug the Medley's transmitter into a power source and your TV’s audio output port, power everything on, they’ll quickly connect with each other, and you should be good to go. Works brilliantly with older Non-Smart TVs as well. [Enhanced Listening Experience] The Medley is designed with volume level that’s louder than the other TV headphones on the market; this combined with the special “Clear Dialogue” sound mode, will significantly enhance the clarity of conversations/dialogues in your favorite TV shows and movies. [Universally Compatible] Thanks to Medley’s Optical, AUX, and RCA input cables, it is universally compatible and works with all TVs on the market. With it, you’ll be able to listen to your favorite TV shows/movies at your own volume; you’ll no longer have to turn the TV speaker volume all the way up and disturb your family or neighbors.