Blackberry Curve 8300 Hands Free Headset w/ Switch [OEM] HDW14322001, Black OEM hands-free stereo headset w/ switch. Enjoy Hands-free conversations Includes integrated earpiece & microphone Cord mounted ON/OFF button which lets you take calls & hang up easily. Compatible with: Blackberry Curve 8110 / 8120 / 8130 / 8300 / 8310 / 8320