The We SC Bongo just got better, now with hands free in-line microphone. The Bongo is equipped with 40mm power drivers to deliver the sonic enthusiast immaculate clearness, deepness, & warmth. Noise-reducing ear pads made out of faux-leather will cushion your ears for perfect comfort. The Hi-tech design of the Bongo headphone gives you all you could ask for, & a bit more to boot. Satisfying, affluent sound coupled with immaculate clarity, depth & warmth make this a top performer... Specifications * Type: 40mm power drivers * 1k Hz Sensitivity: 120 d B* Impedance: 30 ohms* Frequence Range: 20-20 001 Hz, * Plug: Gold-plated 3.5 Stereo* Cord: 0.5m + 1.0m extension TPE cord* Weight: 147g Hands Free Specifications* Microphone Type: Omni directional* Microphone Sensitivity: -58 d B* Microphone Power: DC 4.5V* Microphone Frequency: 20-20 001 Hz, * Plug: Gold-plated 3.5 Stereo* Cord: 1.0m, PVC* Weight: 13g