Product name:  Toslink Audio Kabel Z Optickych Vlaken  Fibra Optica Tapones Audio Jack 3.5mm Fiber Optic Plugs For Speaker 
Product size: 3.5 Mini
Commodity brand : KINZ
Product Number: KINZ-Y09
Commodity color:Black
product manual:

TOSLINK is a standard optical digital audio interface commonly used by Japanese manufacturers on CD players and MD players. It is used to transmit digital audio signals (left and right channels or multi-channels) between various equipments through a kind of optical conductor, using light as a carrier. TOSLINK can use plastic optical fiber as plastic optical fiber audio jumper. Commonly used standard diameter Ø1.0mm, numerical aperture (NA) 0.5 PMMA core plastic optical fiber, the sheath is (flame retardant) PVC, the color is black, red, blue and other colors, the outer diameter of the sheath is mainly Ø2.2mm; 4.0mm; 5.0mm; 6.0mm, the length of the jumper is usually less than 50 meters.

Optical 3.5mm