These earbuds have the same great sound quality and comfort of Plugz but now with a built-in microphone. These noise isolating earbuds offer a high definition microphone and are compatible with iPhone and Blackberry. Plugz delivers super-deep bass, smooth, undistorted highs, and crystal clear vocals that the audiophile will love. These earbuds include a convenient in-line microphone to allow enjoyment of in-depth acoustic tuning, without missing calls from your mobile phone. Compatibility?3.5 mm headphone jack?BlackBerry 8800?BlackBerry 8820?BlackBerry 8830?BlackBerry Bold 9000?BlackBerry Curve 8300?BlackBerry Curve 8310?BlackBerry Curve 8320?BlackBerry Curve 8330?BlackBerry Curve 8350i?BlackBerry Curve 8900?BlackBerry Pearl 8100?BlackBerry Pearl 8110?BlackBerry Pearl 8120?BlackBerry Pearl 8130?BlackBerry Pearl Flip 8220?BlackBerry Pearl Flip 8230?BlackBerry Storm 9500?BlackBerry Storm 9530?iPhone 1G (4/8GB)?iPhone 3G (8/16GB)?iPhone 3G S (16/32GB)?iPhone 4 (16/32GB)