inputs.text: expensive bad documentation worth case - found item several brand names amazon reasonable bt transmitter digitaltoslink input needed convert tvs output bt signal tv toshiba not analog audio output odd seems first tried buy item andoer amazon said soonest would arrive leave weekend device installed part gift whatever reasons 2 day 1 day prime shipping wasnt availableso bought seemingly identical item branded lingsfire 5 2 day shipping option item unit arrived 2 days day leaving weekend power supply didnt work put 17v instead required 5v devicebox never poweredon even used verified good power supply started returnrefund process product perhaps coincidentally appeared previously opened resealedtapedi searched amazon free 1day shipping available andoerbranded version device purchased crossed fingers arrived 6pm following day made boat weekend trip device installed along jbl flip 2 speaker hardofhearing father watchhear television without bothering everyone else housei tested new andoer powersupply put 5v deviceunit quickly blue led came blinked packed along bt speaker trippairingi read directions devices could not get pair sat stared read reread tried different bt speakers finally decided hold power button like 10 seconds finally led flashed quickly alternating red blue pairing mode slow blue blinking led not pairing mode anyway discovered smoothsailing everyone happyi wish less laglatency however theres really no way least tv eliminate delay audio coming tvs builtin speakers coming bt speaker disable turndown tvs speakers may not option everyonede slow blue blinking led not pairing mode anyway discovered smoothsailing everyone happyi wish less laglatency however theres really no way least tv eliminate delay audio coming tvs builtin speakers coming bt speaker disable turndown tvs speakers may not option everyone