1. Input current: 5V 2A 2. Charging method: USB wireless charging 3. Discharge speed: adjustable 4. Battery capacity: 600 mAh 5. Pen diameter: 0.7 mm 6. Temperature inside the pen: 70-100 degrees Celsius 7. Consumable diameter: 1.75 mm 8. Pen temperature: 10-30 degrees Celsius, no clogging, you can draw on your hand 9. Packing list: printing pen X1, 2m3 color consumables X1, usb charging cable X1