eForCity 3x Mini-USB to 3.5mm Headphone Adapter for HTC G1 8525 Adapter converts the phone's own audio output into universal 3.5mm output 3.5mm output means unlimited possibilities of device to broadcast the audio sound/music from your phone Adapter allows connection to any 3.5mm stereo headset and portable speaker Adapter also allows your phone/PDA to connect to any home stereo system [Note: May require additional RCA Y-Cable]. NOTE: For audio / music output ONLY, audio input not available: Mic on the cell phone headset will not work with this adapter. NOTE: Audio adapter WITHOUT built-in microphone. For audio / music output ONLY, audio input not available: Mic on the cell phone headset will not work with this adapter. Cable Length: ~ 4.25 in / ~10.8 cm. Color: Black.