2-in-1 Electric Mixer is the best Instant Milk Frother, 2-in-1 Electric Milk shaker. Automatic Hot and Cold Foam Maker and Milk Warmer for Latte, Cappuccinos, Macchiato. USB Rechargeable Milk Frother Handheld Multi-Functional Electric Foam Maker with 2 Stainless Whisks, 3-Speed Adjustable Mini Milk shaker.