Wireless Noise-Cancelling Headphones, Frequency Response 20 – 24,000 Hz, Sensitivity 103 dB/mW, Impedance 16 ohms, Weight 30 g, 10 Hours Battery Life,Pouch Eartips (XS/S/M/L), USB cable for charge (30cm) / Cable (0.6 m (2.0’) / 3.5 mm (1/8”) gold-plated stereo mini-plug, Omni condenser Mic, Bluetooth, BLACK