inputs.text: helpful hints - opened package charged dongle took 2 hours read instructions explained hook receiver receiver per reviews used transmit bt headphonesspeakers sparse manual not mention pairing headphones repacked product return amazon sitting frustrated bit googled info didnt find anything helpful decided tinker powered bt headphones plugged dongle phones jack tv pushed held button dongle status light flashed blue series flashing blue lights headphones paired heard audiomy delight pairing device quickly dissipated found sound quality poor muddy lots bass voicesdialog actor speaking directly ears close talker decided tweak audio settings tv turned surround feature minor adjustments bass treble not noticeable listening via internal system speakers sound quality improved significantly played music dvd real test whilenot par highend wired phones quality convenience make good choiceas fit comfort use working bike rower monitoring playing drums stay place whereas throw traditional phones often get tangled cord also also sweat resistant big concernso yes highly recommend s11 finally bt headphone decent quality audio practical use