Wireless Noise-Cancelling Headphones, Frequency Response 20 – 20,000 Hz, Sensitivity 96 dB/mW, Impedance 32 ohms, Weight 180 g, 20 Hours Battery Life, USB cable for charge (30cm) / Cable (1.2 m (3.9’) / 3.5 mm (1/8”) gold-plated stereo mini-plug, L-shaped, Omni condenser Mic, Bluetooth 4.2, BLACK
