„ÄêKOTLIE provides after-sale service„ÄëAny problem of KOTLIE product, please contact support team via KOTLIE Official Channel. KOTLIE provides repair service or even new replacement(without paying) and will reply to you within 24hours of the working day [4-in-1 Espresso Machine] The KOTLIE AC-513H Espresso Machine is compatible with Nespresso pod/K-Cup pod/ground coffee pod/44mm ESE Pod. It is also compatible with Dolce Gusto/A MODO MIO/Lavazza Blue /Caffitaly (Separate purchase pods required from KOTLIE) [Volume Selection] KOTLIE Single serve Coffee Maker is set up with single and double cup brewing buttons through the flow control system with electronic timing. If you like espresso, you can choose a single cup of 40-60ML; if you like Lungo and Americano, you can choose a double cup of 180-220ML. If you want more capacity, you can LONG PRESS the large cup button for 90 seconds, then release the button, the maximum 300ML capacity is set successfully [Perfect Espresso Crema] KOTLIE Capsule Coffee Maker is equipped with a 19Bar Italian ULKA water pump and 1450W fast-heating boiler, which is capable of brewing a perfect cup of Espresso Crema coffee in 30 seconds. It maintains the original flavor and aroma, which allows you to immerse yourself into the mellow Espresso and quickly wake up to start the day's work and life „ÄêAbout Cleaning„ÄëThe water tank and piercing needle are made of BPA-free material. Please add water and citric acid, then press the coffee button to clean your coffee maker