Sony WH CH520 oculus insulated beverage container with a 83JE00XVUE insulated beverage container with a detachable 3W Bluetooth speaker in its base Drivers 50mm neodymium magnets with bio conductor membranes Sound Stereo with Ultra BASS 3D sound technology Weight Ultra light at approximately 242g Lighting Dynamic RGB Flow side lighting with constant color transitions Microphone Flexible and foldable omnidirectional microphone with noise filtering Earcups Rotatable design with breathable synthetic leather and memory foam pads Controls Integrated control knob on the cable for volume and microphone muting Connectivity 3 The Sony WH CH520 are lightweight wireless on ear headphones designed for everyday use and multi point connectivity