Closed-back dynamic. Detachable cables (includes 1.2 m - 3.0 m coiled cable, 3.0 m straight cable and 1.2 m straight cable). Interchangeable cables: detachable 1.2 m - 3.0 m (3.9ft - 9.8ft) coiled cable, detachable 3.0 m (9.8ft) straight cable and detachable 1.2 m (3.9ft) straight cable.
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