This transmitter features a 0.9” x 1.2” LCD for channel selection and call management. It plugs into a 12V socket, offering dual USB-A ports, including a quick charge 3.0 port. It is compatible with various devices via Bluetooth or 3.5mm Aux, it also supports Micro SD Card playlists. The price drops from $14.99 to $7.99. Shipping is free for Prime members or on orders over $35.