Basic Information   Name: hippocampus wireless battery pen   Net weight: 177g   Size: 140mm*30mm   Motor: hollow cup motor (20*16)   Interface: USB interface   Structure: direct-drive eccentric structure battery pen;   Configuration: wireless tattoo pen + USB data cable + accessory bag + box;      Product parameters   1. Material: aluminum alloy;   2. Process: CNC integrated carving;   3. Color: black + red + champagne + silver;   4. Stroke: 0-3.5mm;   5. Gear: Adjustable voltage gear 5-12V, long press 0.5V to adjust;   6. Display: high-definition LCD display (current voltage + power usage);   7. Applicable: Kavalon card needle size, suitable for most of the one-piece needles on the market;   8. Battery capacity: 1800mA (mAh);   9. Charging time: fast charging, it can be fully charged in 1.5-2 hours without electricity;   10. Use time: The output current is 2.0A, under normal 7V voltage operation, it can work continuously for more than 4 hours, the voltage is stable, and it can be used intermittently for about 5-6 hours;