Product Name: Wireless Lithium Battery Tattoo Pen

："Motor: Hollow Shaft Motor

Packaging: Lithium battery tattoo pen + USB charging cable

"结"在中文中通常指的是结绳、结绳记数、打结等。在英文中，"结"可以翻译为 "knot" 或 "tie"。Construct: Built-in lithium battery, integrated tattoo pen, the middle can be rotated to replace the upper half of the lithium battery.

Product Parameters:

1. Material: Aluminum alloy.

2. Process: CNC integrated precision engraving;

3. Charging Interface: Android USB port.

Battery capacity: 1800mAh (milliampere-hour);

Charging time: Fast charging, can be fully charged in 1.5-2 hours without power.

6. Operating Time: The output current is 2.0A, and it can sustain operation for over 7 hours under normal 8V voltage conditions. The voltage is stable, and intermittent use can last for about 8 hours;

7. LCD screen displays: working time count (hours-minutes count) + binary output voltage + battery capacity status;

8. Motor: Centripetal Cup Motor (9V, 12000 RPM).

9. Thickness: 0-0.35mm;

10. Start-up Voltage: With built-in memory function, the start-up voltage is the same as the last voltage value at which the machine was turned off.

Working voltage range: 5-12V