USB Rechargeable: No need change battery 2 versatile Whisks: Easy insert and pull out mixer head 3 Speeds: Different food choose different speeds Indicator light: Red Charging, Blue charging full Safe: PDA Passed 304 stainless steel Light Weight: Only 210g 【SPECIFICATION】 Name: Rechargeable Mixer Mixing Material: 304 stainless steel Color: Black Weight: 210g Voltage:4.5-5.5V Battery: 1200mAh Working time: Low 3 Hours/Medium 2.5hours/High 2 hours Gear: Low 19000min/Medium21000min/High 31000min