Audio Headset Adapter 2.5mm 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-