Effy Trio Collection 14K Gold .40 Ct. T.W. Diamond Circle Necklace Extends any S/PDIF and TOSLINK digital audio device up to 330 feet (100 meters) from the source Supports multichannel digital audio like Dolby Digital 5.1, DTS, and Dolby True HD Supplies clear digital audio over long distances as if connected locally Streamlines audio installations by allowing source devices to be located in off-site or unseen rack One CAT-5e cable used for extension Extends any S/PDIF and TOSlink digital audio device up to 330 feet (100 meters) from the source Supports Digital 5.1(DTS, Dolby Digital, etc.) and supplies clear digital audio over long distances as if connected locally Streamlines audio installations by allowing source devices to be located in off-site or unseen rack One CAT-5 cable used for extension Audio is transmitted digitally for zero signal loss What's Covered: mechanical and electrical failures during normal use, 100% parts and labor Get fast repairs or replacements from SquareTrade, an Allstate company 24/7 customer support, free shipping for all repairs, no deductibles or hidden fees Cancel anytime, full refund in first 30 days, fully transferable with gifts SquareTrade Protection Plans are only valid for new or Amazon certified refurbished products purchased at Amazon in the last 30 days. By purchasing this Protection Plan you agree to the Protection Plan Terms &amp; Conditions (http://www.squaretrade.com/terms-standard). Your Protection Plan Terms &amp; Conditions will be delivered via email within 24 hours of purchase