One-button operation: One-button operation, no need for bluetooth link or any app connection. Just press the button, the light turns blue and you're ready to go Widely used: suitable for ipad stylus compatible with ios Android universal active capacitive pen Apple stylus mobile phone touch Long Working Time: With USB charging port and built-in battery, just charge for 1-1.5 hours and use for 8-10 hours. With intelligent power saving function, the pen automatically powers off every 30 minutes to protect battery life. Humanized Design: The fine nib is made of ultra-fine elastic copper tip, which provides a smooth writing experience and delicate strokes, and the friendly interaction can avoid scratches. Compatible use: Android phones, Apple phones, flat capacitive screen devices of various brands Material: pen body aluminum (pure copper pen tip, the pen tip has a protective film, which will not hurt the screen) Effective distance: 1.6mm from the pen Standard accessories: USB charging cable Battery specification: 0.407wh 3.7v 110mah