Product description: Color black Charging voltage: DC/5V Charging time: 1-2 hours Working voltage: DC/3.7V Weight: about 32g Size: 15 * 140 * 19.5mm Battery capacity: 400mAh Power: 2.9W Working current : 0- 600mA Material: ABS Packing list: 1*host, 1*USB charging cable, 1*manual USB electric egg beater The hand-held electric milk frother can be charged repeatedly via USB (no battery required). Built-in 1500mAH lithium battery. Charging: red light. Fully charged: blue light (4 hours). Overheating protection: automatically stop after 3 minutes, restart after long press for 2 seconds. The easy-to-clean manual milk frother is already an indispensable helper in the kitchen. The removable mixing head is made of high quality stainless steel. Made of food safe ABS, the wand is lightweight, beautiful, space saving and easy to clean. This electric milk frother is very quiet, with as low as 15dB noise, allowing you and your family to spend a peaceful morning. 3 Spead Adjustable Milk Frother Spead: 19000rpm & 21000rpm & 23000rpm. Choose different speeds to achieve the desired foaming effect, and be sure to choose a large container. Note: Long press to turn on and off (2 seconds). Short press to change speed. Long press to turn on and off (2 seconds).Products from GuanGuan's store