Get this headset adapter then you can use your favorite computer analog headphone to chat on telephone. New dual 3.5mm audio female socket to RJ9 modular plug adapter cable for connecting your own Analog computer headset. Available for headset which have two heads, one for sound, and one for mic. Item Name: Headset Cable Adapter Material: Plastic + Bare Copper Wire Connector A: Dual 3.5mm Female Connector B: RJ9 Length: 20cm/7.87" (Approx.) Notes: Phone headset not available to use this product. This product is available for almost 90% phone production, but kindly understand not all of them. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 x Headset Cable Adapter