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

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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..

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