1、APPLICATION: Simple solution to convert digital coaxial sound to 3.5mm jack or RCA L/R analog sound signals (cannot be reversed). 2、WIDELY APPLICABLE: This sound cable can transmit sound from devices with optical connectors such as for XboxOne, TV, DVD, HD TV box to amplifiers, speakers, headphones. 3、CAUTIONS: If no sound comes out from some TVs connected to this sound cable, please set the TV's "sound output device" to "Spdif". 4、EASY TO USE: Coaxial to 3.5mm and double RCA conversion cable, plug and play, plus USB power supply, convenient and fast. 5、GOLD PLATED INTERFACE: Digital SPDIF coaxial to analog RCA cable adopts gold plated interface, resistance to plugging and unplugging, no rust and anti interference, stable signal transmission.