OEM Original Samsung 3.5mm Stereo Handsfree Headset Earphone for Boost Mobile BlackBerry Curve 8330 Ergonomic earpiece with soft comfort ring provides comfortable fit even over extended periods Brand new high quality OEM Samsung and hands-free headset for Samsung Includes a Send / End key on the mic to allow you to receive and end calls w the push of a button on Great sound quality and bass response.Excellent sound quality Compatible w most 3.5mm audio jack cell phones, devices may or may not function w answer/call button