At present, TWS earphones are roughly divided into semi-in-ear type with long handle and cochlear bean sprout type in the design of earphone head. The earphone shape is relatively limited, so the design of charging has become a breakthrough point. The figure shows a little innovation in the charging bin. It adopts two-color injection molding process, dark color transparent appearance and internal texture design, and cooperates with electricity display to create a high-quality and high-tech!