AVA Duke Wireless Pen Available Colors: Green, Black, Red, Blue & Purple Motor: Carbon Brush Motor (3.5W) Stroke: 3.5mm swing Pen Weight: 8.8oz Grip Width: 1.25" Inch tapered grip Voltage: 4.2 to 12 Volts Charging Input: USB-C Run Time: 4-8 Hours (depending on how much you working the machine) Charging Time: 2-3 Hours
