Liquid releasing device that can be coupled to the neck of a bottle for piercing a container such that a liquid in the container falls into the bottle, the liquid releasing device comprising: - an adapter device, which can be removably fixed to the neck of the bottle, the adapter device having a hollow body; - a piercing system borne by the adapter device, for piercing the container, such as a capsule having a cap, - a receiving device, referred to as container holder, comprising a receiving housing for receiving the container, the container holder being able to move upwards and downwards inside the hollow body of the adapter device; - a holding device configured to have an active configuration in which the container is held in the container holder, and an inactive configuration in which the container can be removed from the container holder; the container holder having a through-opening in communication with the receiving housing in order to enable the piercing system to pierce the container so that the liquid in the container flows through said through-opening, then through a through-opening formed in the adapter device; characterized in that the liquid releasing device also comprises a control ring mounted so as to rotate relative to the adapter device; the control ring being configured such that rotating the control ring in a given direction causes the container holder to move relative to the control ring towards the piercing system, the control ring being configured to enable the holding device to be locked in the active configuration by moving the container holder relative to the control ring towards the piercing system. the liquid releasing device comprising: - an adapter device, which can be removably fixed to the neck of the bottle, the adapter device having a hollow body; - a piercing system borne by the adapter device, for piercing the container, such as a capsule having a cap, - a receiving device, referred to as container holder, comprising a receiving housing for receiving the container, the container holder being able to move upwards and downwards inside the hollow body of the adapter device; - a holding device configured to have an active configuration in which the container is held in the container holder, and an inactive configuration in which the container can be removed from the container holder; - an adapter device, which can be removably fixed to the neck of the bottle, the adapter device having a hollow body; - a piercing system borne by the adapter device, for piercing the container, such as a capsule having a cap, - a receiving device, referred to as container holder, comprising a receiving housing for receiving the container, the container holder being able to move upwards and downwards inside the hollow body of the adapter device; - a holding device configured to have an active configuration in which the container is held in the container holder, and an inactive configuration in which the container can be removed from the container holder; the container holder having a through-opening in communication with the receiving housing in order to enable the piercing system to pierce the container so that the liquid in the container flows through said through-opening, then through a through-opening formed in the adapter device; characterized in that the liquid releasing device also comprises a control ring mounted so as to rotate relative to the adapter device; the control ring being configured such that rotating the control ring in a given direction causes the container holder to move relative to the control ring towards the piercing system, the control ring being configured to enable the holding device to be locked in the active configuration by moving the container holder relative to the control ring towards the piercing system.