Stereo Headset / Speaker Adaptor for HTC phones 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] Compatible with:HTC Artemis P3300 / Touch Cruise / Polaris / T-mobile Shadow / Phoebus / Touch Dual / Wings S730 / Touch / Vogue / S630 Cavalier / TyTN II / AT&T Tilt / 8925 / P4550 Kaiser / P6300 Panda / SMT5800 / HTC 5800 Fusion / S720 Libra / P4000 Titan / Mogul PPC6800 / XV6800 / P3350 Love / P4350 Herald / T-Mobile Wing / S620 Excalibur / T-Mobile Dash / HTC TyTN / AT&T 8525 / HTC P4350 Herald / HTC Touch Diamond / P3700