Features:-There are 2 speeds to choose from, 8500 rpm is suitable for stirring eggs, milk, coffee, tea, protein shakes and baby formula without lumps, and 11000 rpm can make creamy foam for coffee, latte, cappuccino, hot chocolate.-It has a built-in 1200mAh battery that can run for an hour at top speed and an hour and a half at low speed.-The handle is ergonomically designed, comfortable to hold, and you don't have to worry about your hands getting tired even after long-term use.-The built-in all-copper core movement provides strong power and enables fast whipping.-Easy to clean, just rinse the head under water after use.Specification:Colour: silver&blackBattery capacity: 1200mAhMaterial: ABS+stainless steelCharging voltage: 5VCharging current: 1000m.