Keep your Frames audio sunglasses powered up and ready to go with this Bose charging cable. Designed for use with Alto L, Alto S, Rondo, Soprano, and Tenor Frames (each sold separately), this cable features a pogo pin design for simple connectivity. The USB Type A cable plugs right into a standard wall charger or computer port for quick charging from anywhere. | Bose Charging Cable for Frames Audio Sunglasses