Features: brand new and high quality Audio optical cord offer unparalleled compressed 2.1 to 8.1 surround sound system to provide crystal and clear sound. Gold-plated connectors and double braided nylon can achieve the best signal transmission and corrosion resistance.Gold-plated connectors will not tarnish and decrease conductivity over-time. This Fiber Optic Male to Male Cord adopts precision-designed square connector, which makes it easier to identify the installation angle and fit tightly. Optical cable is suitable for standard and high-definition devices with SPDIF, optical port. Allows you to connect Sound Bars and Home Theater to TVs and more devices. The optical audio cable feature fully flexible PVC jackets with manufacturing to protect the connectors when not plugged in. Specifications: Material:PMMA Wire Core+Pure Copper Gold-plated Length:1m/1.5m/2m/3m Package Includes: 1x Audio Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.