1. Input: 5V/0.5A 2. Battery capacity: 130mAh 3. Working hours: 10h 4. Capacitive touch technology + gold-plated superconducting copper refill, sensitive, smooth and stable writing 5. The pressure sensitivity is sensitive and real, and you can control it at will 6. Global protection against accidental touches, no interference when pressing the screen with both hands 7. One-piece aluminum alloy material, strong reliability and comfortable grip. 8. Strong magnetic design, easy to store
