Bose OE2i is a headset launched by Dr. OE2i adopts its patented TriPort acoustic technology. In short, the bass is very low, the treble is very high, and the enhancement effect is remarkable. Other products include ear muffs, detachable wires, folding and storage design, and flip. The Bose OE2i with wire control function has a historical low price of 110.98 dollars, about 685 yuan