Cafe quality microfoamed milk is now possible at home. Make your own barista-style cappuccino every day with the NanoFoamer Lithium, now available in special edition white. This is an ultra-powerful version, with a 3.7V Li-ion rechargeable battery and two-speed options. The new lithium version features a new digital switch, tighter tolerance, a powerful motor, and NanoScreens that snap-fit, ensuring a strong hold on the impeller while preventing buckling over time. It also has a replaceable impeller, upgraded materials, and better seals on the closures and shaft. The upgraded motor is more powerful, with a stainless steel housing and an upgraded button on/off switch. This allows you to focus on the foam while holding the NanoFoamer lightly. The powerful 3.7V 1200mAh lithium-ion battery gives this product superpowers up to 14k RPM and very high torque.