Stereo Headset Adapter 3.5mm for Samsung SGH-T219, SGH-T329, SCH-U420 Nimbus, Helio Drift, Heat, SGH-T509, SCH-R510, SGH-T519 Trace, Blackjack SGH-i607, SPH-M610, Upstage M620, SGH-T629, SCH-A717, SCH-A727, Sync SGH-A707, SCH-U540, SCH-U740, SGH-D807, SGH-T809, SGH-D820, SGH-D900 Provide a headset connection for use with your standard 3.5mm headsets Portable for quick access at home or on the road using 3.5mm headset Enjoy handsfree audio through your own favorite wired headset. Audio function only -This adapter does not provide data or power through its connection Length approx 30 inches.