Item Type: Hand Frother Material: Stainless Steel,ABS Voltage: 5V Battery Type: Built in Lithium Ion Battery Battery Model: 18650 Battery Capacity: 1200mah Charging Time: 3 Hours Working Time: High Speed 1h, Medium and Low Speed 1.5h Weight: Approx. 198g-199g / 7.0oz-7.01oz Milk Froth Mixing Head: Approx. 12cm / 4.7in Approx. 2.5cm / 1.0in Baking Mixer: Approx. 14.5cm / 5.7in Approx. 4cm / 1.6in Machine Body: Approx. 16.7cm / 6.6in Approx. 3cm / 1.2in 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.