The Plantronics 38541-02 connects a Plantronics H-series headset directly to iPhones, Blackberry phones and other compatible smartphones that have 3.5mm headset jacks.
This item should be compatible with any cell phone that has a 3.5mm stereo headset jack. The cable is approximately 12 inches long.
Use with the following Plantronics headset families:
3.5mm Headset Smartphone Adapter Cable Features: