Intelligent noise-cancelling wireless Bluetooth headset. Headband Bluetooth headset with a of 40MM speaker unit, surround sound audio, higher resolution, higher volume, stereo HD sound, the real sound, you can listen to the sound in to identify the direction. The headset can be folded, easy to store, does not take up space, adjustabl-e ear cup height, you can adjust their own comfortable wearing angle. voice call noise reduction. Ear cups with skin-friendly material, ergonomic design, ear cups with comfortable Protein leather, comfortable memory foam, leather high sponge material comfortable and breathable, long time wearing ear does not hurt. Thickened and widened synthetic leather, uniform , comfortable to the head, , refuse to oppression. Intelligent buttons, multi-functional buttons easy to use, insert cards, call answering, call rejection, hang up, hands-free calling. 4D stereo sound, support Bluetooth, plug-in card, audio cable playback. Intelligent pairing, the first connection to Bluetooth, can be automatically paired, design, significantly reduce the sense of pressure, comfortable to wear. Colour:Black Material:plastic Package Contents: 1 x Bluetooth Headset Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.