A4Tech FStyler FH200U Conference USB Over-Ear Headphone 230W 73") Weight (with Battery) 1

73") Weight (with Battery) 1

2 x USB Type-A (USB 3

4 GHz band and an additional 32 devices on the 5 GHz band

7Wh Lithium Ion (Li-Ion)

A4Tech FStyler FH200U Conference USB Over-Ear Headphone 230W 73") Weight (with Battery) 1DSP Stereo Equipped with DSP (Digital Signal Processing) stereo chipset to reduce the unwanted background noise and offer clear, crisp audio performance. 50mm Speaker Unit High precision 50mm speaker unit provides crystal clear sound. Dual Support Headband Unique dual support headband adjustable comfort for personal preference. Bulit in Metal Headband Bulit in metal headband avoids deformation and provides strength and durability. Ergonomic Soft