Wireless Technologies Stereo Headphone Adapter for Samsung LG  VX8500 Chocolate, VX8600, VX9900 [Retail Packaging] Connect many headphone brands with the 3.5mm connector Slide button to easily switch from phone usage to headphone or vice versa One-touch call answer/end control Additional volume control Compatible with Samsung A707, A717, A727, D807, i607, M610, M620, R510, T219, T329, T509, T519, T629, T809, U420, U740