Sades Sa-810 Blue New 2014 Arrival Engineering Level Abs Large Diameter 40mm Hi-fi Shocke Speakers with Unique Sports Wired Control and 360-degree Omni-directional Microphone for WCG and Cs 40mm high fidelity ShocKe speakers+ omnidirectional radio microphone OFC4N copper wire+ISF intelligent sound field adjustment,create a feeling of a concert hall listening Protein 100 * 70 * 20 earmuffs has good airtight,isolate ambient noise Cardan shaft,15 degrees Reversible Design 360 degree fit ear Engineering grade ABS material has good elasticity