Feature:1. 3 Levels Adjustable: Milk frother handheld has three gears that can be adjusted according to your needs. The speed will switch between low speed, medium speed and high speed.2. USB Charging: The handheld milk frother is powered by a built in 1200mAh rechargeable lithium battery, no need to replace the battery, environmental protection and money saving.3. Low Noise: Coffee mixer built in powerful low‑noise motor brings enhanced speed rotation without disturbing your family, allowing you to enjoy a peaceful morning.4. Excellent Material: The detachable mixing head is made of food‑grade ABS and stainless steel, which is easy to clean, and the foam stick is made of food grade ABS, which is safe.5. Professional Tools: There are 2 kinds of replaceable multi‑function mixers. Choose the spring whipping head to make foam. The balloon whipping head helps you to make eggs and fluffy cream.How to Use:Instructions for use:1. Insert the mixing head into the host and press the on/off switch to make the product work under blue light2. The product is in a low speed state, press the on/off switch in turn to adjust the speed from medium speed to high speed. 3. Hot/cold liquids can be selected, and different speeds (low speed, medium speed, high speed) can be selected to make different liquids achieve the ideal foamin