SONY car navigation system with operation buttons and built-in speakers. Since there are no wires, the operation has not been confirmed. This item is being sold as junk, with no claims and no returns. As shown in the photos, the item includes only the main unit. - Brand: SONY - Function: Car navigation - Connection terminals: With antenna - Buttons: Operation buttons included - Speakers: Built-in speakers Thank you for viewing. Free shipping. Shipped via Yu-Packet Post Mini. Thank you.