Wireless charging, independent key speed control. Low speed 6000 rpm, suitable for mixing eggs. Medium speed: 9000 rpm, suitable for mixed jam. The speed is 12000 rpm, which is suitable for whipping milk foam. Blister rapidly within 30 seconds. It can be easily installed and removed. Thick spring winding design, uniform and delicate, bid farewell to sour hands and easy to beat eggs. Stainless steel mixing head is durable. Suitable for kitchen and restaurant.