A card connector is disclosed. The card connector comprises an insulative base, a plurality of connecting terminals, a card ejecting mechanism and a shielding case. The shielding case covers the insulative base. A card insertion region is formed between the insulative base and the shielding case. A plurality of terminal slots is defined on a surface of the insulative base facing the card insertion region. The connecting terminals are received in the terminal slots. The tray comprises an inner tray and an outer tray. The outer tray is pivotally connected to the inner tray. The inner tray and the outer tray are connected together to form a receiving groove for receiving a SIM card. The tray is formed by pivotally connecting the inner tray to the outer tray, therefore, the card connector according to the present invention can be used more conveniently.