This earhook handsfree is compatible with the following Samsung
models: SGH-t709(t709). SGH-ZX10(ZX10), SGH-ZX20(ZX20).
Features: Excellent audio quality. Consists of an earpiece and a microphone system. Convenient answer / end button located on the earhook. Connects directly to the phone for handsfree operation. Modern over-the-ear design. Small, lightweight and stylish.