Features: Telephone handset cord and cord detangler set fit family fixed telephone. Works on RJ9 models of handset cords and handsets. Not applies to VOIP phone,not fit for RJ45 Modular Plug. Twisted cable with two crystal head and modular plug on both ends, connect telephone and extention to handsets. ROTATES 360 DEGREES - Automatically rotates as you do while you are talking on the phone to effectively prevent your coiled phone cord from being messed up. Simply plug into your handset on one end, and the cord on the other end, and you are ready to go! Specifications: Component: Plastic Length: about 68mm/2.68'' Color: 4 Kind Optional Package Includes: 1 Set Telephone Handset Cord Detangler note: Please allow 1-3cm errors due to manual measurement. Due to difference betweeen different monitors,the picture may not reflect the actual color the item.