Voarmaks Headband Cushion Cover Compatible with JBL Tune 500BT, 510BT, 520BT, 600BT, 600BTNC, 660NC, 670NC, 700BT, 710BT, 720BT, 750BT, 750BTNC, 760NC, 770NC, 6mm Thick Cushion with Hanging Loop. Perfect fit all kinds of cables.
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