Importer520 Handsfree Stereo Earphones Earbuds with Microphone For HTC Thunderbolt 6400/Incredible HD (Verizon)- Rainbow Completely eliminates unnecessary tangles from the equation Crystal clear and high quality voice for both talking party, noise cancellation, high-velocity element for excellent stereo effect. The handsfree use soft and environmental protection wire instead of the common wire, and the soft silicone rubber in-ear cushion of handsfree is comfort and using convenience. aluminum housing & 100% recyclable cords Accessory Only