Connects to your phone with Bluetooth technology. GINA App A home of coffee loving community and a library of numerous brewing recipes. You can follow them or create your own easily. With a built-in Bluetooth SCALE weighing your ingredients will become easier, allowing you to find the perfect ratio between coffee, water and time. With specially designed VALVE you can even tune your GINA and play with 3 different brewing techniques. Leave it open for pour-over, close it for immersion brew or set the drop flow for cold drip. Brews up to 750 ml / 25 oz. of drink at once.