Samsung Stereo Headset for Samsung SGH-A737, SGH-T639, SGH-T729, and SCH-R520 Go to amazon.com Related posts Which is the best samsung r520? FeatureStereo Earbud Headset with Answer/End Button DescriptionSAMSUNG Stereo Headset Samsung SGH-A737, SGH-T639, SGH-T729, SCH-R520