Type: Wired Headset Compatible Phone Manufacturer: HTC Droid Incredible 2 / Droid Incredible / Droid Eris / Inspire / Freestyle / Evo 4G / Evo 3D / Sensation / Evo Shift / Thunderbolt / Status / Arrive / Surround / HD7 / Hero / Trophy Samsung Droid Charge / Infuse / Fascinate / Focus / Epic / Nesux S / Intercept / Solstice II / Strive / Transform / Exhibit / Trender / Galaxy S Motorola Atrix 4G / Droid 3 / Droid 2 / Droid X2 / Droid X / Droid Pro / Barrage / Photon 4G / XPRT / Citrus / Gravity / Flipside / Defy BlackBerry Torch / Bold / Storm2 / Curve / Style LG Revolution 4G / Optimus T / Phoenix / Neon II / Quantum / Vortex / Optimus / Rumor Touch / Sentio T-Mobile Sidekick 4G / G2 Apple iPhone 4 / 3GS / 3G Specifications: Driver Unit: 14mm; 6u Sensitivity: 103dB / 1mW (S.P.L at 1kHz) Impedance: 32 ohms Frequency Range: 18...