About 20 inches relaxed (see pics). NOT COMPATIBLE with Crosley, most Coca Cola phones or any other phone with a "hard-wired" connection. BOTH ENDS of your cord must clip in. This cord is NOT a Western Electric red (out of production). It is a generic cherry red. New but NOT IN A BAG. We can not guarantee a color match. Works on any phone with the standard modular connector also called RJ9 RJ10 and 4P4C. Fits AT&T 500 554 2500 2554 Trimline Princess Aegis/Cetis 2510D 2510E 2554E Cortelco 250047 255447 and many others.