Features: 1.For Surface: This stylus pen is specially designed for surface devices, strong compatibility meets your needs. 2.Palm Rejection: This for surface stylus features intelligent identification and palm rejection, providing accurate control. 3.Shortcut Key: This for surface stylus pen is designed with shortcut key which allows you to customize via Ink setting. 4.4096 Pressure: This stylus for surface adopts professional 4096 pressure level that provide unique painting experience and quick response with no delay. 5.90mAh Battery: This for surface pen is equipped with 90mAh battery which can last for 70 hours. specification:Item Type: For Surface Stylus Material: ABS Product Model: C582S Connection Mode: BT Battery Type: Lithium Battery Battery Capacity: 90mAh (Included) Limit Voltage: 3.7V Operating Temperature: 0 to 35 Charging Time: 1 Hour Working Hours: 70 Hours PackageList:1 x ForSurfaceStylus 4 x Stylus Tip 1 x Charging Cable 1 x User Manual 1 x Tip Box