Linkfor Digital Toslink Optical 3X1 Switch With 3Ft Optical Cable, Ray Dvd Hdtv Product Details ?Optical Audio Switcher 3x1? Three ways of optical fiber signals switch to one sets of SPDIF/TosLink signal receiving device. ?Support Audio Format? LPCM2.0/DTS/Dolby-AC3, 96Khz,It does not support 7.1CH Dolby Digital Plus, Dolby TrueHD, because 7.1CH audio cannot be transmitted via fiber optic cable and must be transmitted over HDMI cable. ?Long distance signal transmission? Used optical fiber cable loss less the 0.2Db/m, Output distance is up to 40m/130ft. ?Voltage Protection?Over-voltage protection can prevent the damage caused by connecting unmatched power adapter to the machine. ?High-grade Aluminum Alloy Design? Overall Shielding without Signal Interference, Ensure high-quality audio signal to send Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.