??- Compatible with all headphones/microphones combination products with a 3.5mm adapter plug<br />- Enjoy your music files or FM radio with your own earphone<br />- Simply plug in any 3.5mm adapter/jack from your preferred headphones and enjoy high quality sound<br />- Lightweight with cell phone strap for easy to carry<br />- Compatible phones: Nokia 3250/6230/N70/N73<br />                                                                                                                                Dimensions: 0.94 in x 0.91 in x 0.39 in<br />Weight: 0.32 oz