Y50BT are featuring the amazing sound and build quality of their wired cousin Y50. Aluminum, stainless steel, reinforced polycarbonate and memory foam are making them not only premium looking but very durable and comfortable. The battery lets user enjoy the high quality music for 20 hours. Music/call controls and mic are placed on the earcup freeing user from the need of reaching for a smartphone. Y50BTs feature 3D Axis folding mechanism allowing them to be folded flat. Box contains soft travel pouch and cable for passive mode (when battery is empty user can still enjoy the music over a wire). They come in black, silver and ultramarine.