HTC 2-in-1 Audio Charging USB Cable Features:

• A dual function Y-cable (11pin to 5pin + 6pin).
• 5pin (mini USB jack) is for charging/sync, and 6pin (ext USB jack) is for HTC's stereo headsets.
• The ability to charge the phone and listen to music simulateously.

The HTC Stereo Converter is compatible with the Verizon HTC Imagio, HTC Touch Pro2, HTC Touch Dual (CDMA), HTC Hero (GSM), AT&T Tilt 2, T-Mobile HTC Touch Pro 2, T-Mobile MyTouch 3G, HTC Touch Pro 2 (GSM), T-Mobile myTouch 3G Fender 3.5mm Jack, HTC G2, HTC Snap S522, AT&T Tilt 8925, Cingular 8525, HTC Touch, HTC Touch HD, HTC P3470, Sprint Snap, Sprint HTC Touch Diamond, HTC Touch Diamond, Sprint HTC Hero, HTC S743, Sprint HTC Touch Pro, HTC Touch Pro, HTC Touch Dual (GSM NEON), HTC Touch Dual, Verizon Wireless HTC Touch Pro, T-Mobile Dash 3G, HTC Fuze, Sprint Mogul, Verizon Wireless XV6800, HTC Touch Dual (GSM Nike), Verizon Wireless XV6900, Verizon Wireless SMT5800, T-Mobile G1, T-Mobile Dash, T-Mobile Shadow and T-Mobile Wing phone models.