1 Compatible For: ios,Windows,Android’s Pad.

2 Active sensing technology, no additional receiver or a Bluetooth device, turn the power can be used;high-precision positioning experience;Flexible ultrafine tip, fast and smooth, writing experience more realistic 2 Battery : Li battery 800Amh

3 Working time : 8-10 hours

4 Full charge time : 1 hour ( 5V 1A )

5 Size :168*9mm