Samsung A777 SGH-A777 TracFone T401g SGH-T401g BEHOLD T919 SGH-T919 T301g SGH-T301g Solstice A887 SGH-A887 3.5mm Handsfree Adapter With Keychain Easy connection just plug it into your phone No extra adapter is required Enjoy your music files or FM radio with your own earphone Simply plug in any 3.5mm adapter/jack from your preferred headphones and enjoy high quality sound Lightweight with cell phone strap for easy to carry