Sennheiser CX 215 is an earphone launched in 2011. Compared with the mainstream black and white style of Sennheiser, the color of this headset is more vivid, with five different styles of colors: red, copper, blue, orange and green. At present, all colors and styles of this headset have price reductions, with the average price less than 200 yuan. The blue version is currently 40% or 90% off, and the price is 150 people