1. USB Rechargeable: This electric whisk holds a strong charge for multiple uses a day. Recharge it anywhere, anytime with your power bank, phone charger, computer, etc. Perfect for home, office, camping, or travel. 2. Multiple Whisking Speeds: 3 speeds let you choose the right whisking speed to froth milk, coffee, lattes, cappuccinos, chocolate milk, tea. The low speed operates at 4000 RPM. Mix nutritional supplements, protein shakes, and baby formula without clumps. The medium speed operates at 8000 RPM. Mix eggs, milk, coffee, or tea. The high speed operates at 13000 RPM. Create creamy froth for coffee, lattes, cappuccinos, hot chocolate. 3. Quickly Get Creamy Froth with Great Power: Equipped with an innovative and super premium motor, this essential handheld frother offers durable and reliable performance. The upgraded high-speed motor has enough power to create milk foam in 20 seconds. It's a perfect frother for coffee, lattes, cappuccinos, matcha, hot chocolate, and other frothed milk. 4. Easy to Install and Use: There is a shaft inside the port, and you need to align it well and keep the whisk straight when inserting it. You don't need to insert too much (you should still be able to see part of the spring outside), the spring can easily be bent or stretched. One hand holds the whisk head and one hand holds the main body, then use moderate force to pull it horizontally. This handheld milk frother head is made of sturdy food-grade stainless steel for long life.