This Stereo Headset Extended Adapter 3.5mm - Black to 3.5mm Audio Jack Adapter / Speaker Adaptor is for you to use to convert an Apple jack opening into a standard 3.5mm jack opening to enable use of all headsets with standard 3.5mm adapter, including cell phone, PDA, or other audio devices.Use your current 3.5 mm handsfree with your cell phones that with a mimi USB headset jack.FEATURES: 3.5mm Port for connecting to any stereo headphones, speakers and sound system Standard Audio 3.5mm input jack Use your existing headset with a 3.5mm jack with your cell phone, PDA, audio device and more with Apple 3.5mm audio port. SPECIFICATIONS:Product type: Cell phone audio adapterColor: BlackLength: Around 4-3/4 inConnectors: Apple to 3.5mm femaleCompatible With Apple iPhone iPhone 3G iPhone 3GS iPhone 3GS iPhone 3G iPhone