1.On/off function;VOL Control; 2.Noise Cancelling 3.Hands ... 2G, 3G, 3GS, 4, 4S, 5 for iPad,for iPad 1, 2, 3, Mini for iPod Touch 2G, 3G, 4G, 5G ... : 20-20,000HZ3. Sensitivity: 90dB4. Impedance: 16Ω5. Cord length: 1.2m6. Max power input: 10mW7. Jack: 3.5mm stereo8.Type ...