Ear Cushions Over Ear Vegan Leather CushionAudio Output USB ConnectionCable Length 2.2mDimension mmDriver diameter 50mm (Neodymium Magnets)Frequency range 20 - 20KhzImpedance 32Ω ± 5ΩSensitivity 112 dB ± 3 dBMic impedance <2.2KΩMic Sensitivity - 43 ± 3dbMic Frequency range 20 - 16KHzDirectivity Omnidirectional..

..

..

..

..

..

..

..

..

Anti-theft code lock zipper backpack Waterproof with large main opening Solid and durable for long-term use to keep the whole backpack undistorted USB Charging port Unique Laptop Compartment Scratch Resistant Breathable foam back panel..

..