The BRONC Bullet Pen is a sleek, ergonomic pen with adjustable voltage and a Swiss motor, ideal for both lining and shading. Color: black, army green, grey. Material: aircraft aluminum. Stroke: 3.5mm. Needle depth: 0-4.0mm. Motor: DC-motor Swiss motor. No-load Speed: 11000rpm. Voltage output: 5.0V-11.0V. Recommended working voltage: 5.5V-7.5V. Battery capacity: 2000mAh. Battery Specification: 3.7V 18500 LI-ION. Support work time: 7.0-9.0 hrs. Charging: Type-C Fast Charge. Charging time: 2-2.5 hrs. Max efficiency: 85%. Push speed: 70-160 Hz. Vibration value: <2.5m2/s. Features: ergonomic design, aluminum body, wireless & coil support.

Warning: This device does not support fast charging. For the safety of your machine, please use the provided cable for charging.