90 degree optical audio adapter-90 degrees TOSLINK adapter connected to a digital HDTV cable??home theater system, speakers, a Blu-ray player or other device with optical audio port. Rotates 360 degrees for easier installation-360 designed to accommodate the majority of rotating equipment installation; maximum flexibility in installing cables close spatial position. Easy for operation-Remove the protective caps before installing; Plug & Play with this sturdy Toslink adapterAvoid damage to the Toslink cable due to excessive bending. Gold plated collets for longer life-The optical adapter is attached to your existing rugged Toslink optical audio cable to provide interference-free digital audio for multi-channel sound from 2-channel stereo to 7.1 -channel surround sound.