GRADO is releasing the GT220, company's first completely wireless earphones. The GT220 has been developed for over two years. The housings are made of lightweight polycarbonate, making it ideal for a long time use. The GT220 is equipped with 8mm diameter dynamic drivers, which are optimized using the original tuning technology. In addition, the charging case is compatible with the Qi standard, and battery can be charged wirelessly. Higher-grade completely wireless earphones with excellent sound quality with various functions.