Portable coffee machine charging grinder small wireless automatic coffee grinder, outdoor travel car, extraction espresso grinding coffee machine

Power Type: USB Charging Operating Voltage: 36V and below Battery Attributes: Rechargeable Battery Rechargeable Battery: Lithium Battery -- 18650 Series Control Mode: Semi-automatic Function: Easy to Clean Rated Power: 2

Power supply mode: USB charging Operating Voltage: 36V and below Battery Properties: Rechargeable Battery Rechargeable Battery: Lithium battery -18650 series Control mode: Semi-automatic Function: Easy to Clean Rated Power: 2