The BlackBerry stereo headset adapter gives you the ability to use any 3.5mm headset with your BlackBerry device. Now, listen to your favorite songs or watch your favorite movies with your favorite headset. One end of this adapter connects to your device's 2.5mm input jack while the other connects to your 3.5mm headphones, giving you perfect sound quality. Type: Wired Headset Compatible Phone Manufacturer: BlackBerry