BestDealUSA 11Pin Mini-USB to 3.5/3.5mm Adapter for HTC/T-Mobile G1 Brand new  This adapter converts your phones audio output into universal 3.5mm output Enables your phone to be used with stereo 3.5mm jacks: Headsets, Speakers, Receivers, etc. Small, lightweight, and convenient4 inches in length Flexible cord allows for multiple positioning Color: BlackNote: Audio function only. This adapter does not provide data and power connections.