Earphone for BB - Black berry 9800 9700 9780 9000 8520 9300 - 2.5mm 3.5mm optional earphone - With Mic voice controller Brand New 3.5mm 2.5mm EarphoneFor BB 9800 9700 9780 9000 8520 9300For Blackberry Earphone. This earphone is specially produced for Blackberry cellphone.... * Microphone: noise cancelling. * Frequency: 30Hz - 15KHz. * Independance: < 10k Ohms * Sensitivity: 58dB + 3dB or 58dB - ...
