Use the Samsung Micro-USB to 3.5mm Headset Adapter to connect your phone to any external headset with a 3.5mm audio input jack. Simply plug one end of the adapter into the Micro-USB port on your phone and plug your favorite headset or speaker into the 3.5mm audio jack (female), and you're set! The Samsung Micro-USB to 3.5mm Headset Adapter makes it easy to listen to the music on your phone, even if your phone doesn't have a 3.5mm audio jack. Phone Compatibility: B3410, Ch@t (B3410W), B5702, B5722, Corby TXT (B3210), Omnia LITE (B7300), B7320 Omnia Pro, B7620, C5510, Corby Pro (D5310), Behold 2 (SGH-t939), SGH-T219, i8000 Omnia ll, Reality (SCH-u820), Exclaim (SPH-m550), Intercept (SPH-m910), Intrepid (SPH-i350), .Other products from A4C