Feature:1. Widely Compatible: This stylus pen is specially designed for Pro 3, for Pro 4, for Pro 5, for Pro 6, for Pro 7, for Pro X, for Pro 8, for Pro 9, for Book1/2, for Laptop1/2/3/4/5, for Studio1/2, for Go1/Go2/Go3, for Hub 1/2, for Laptop Studio, for Inspiron 13 7373, for Inspiron 15 7573, for Envy 17 aexxx, for Envy x360 15 bp0xx, for Envy x360 15 bq0xx, for Pavilion x360 11m ad0xx, for Pavilion x360 14m ba0xx, for Pavilion x360 15 br0xx, for Spectre x2 12 c0xx, for Spectre x360 13 ac0xx, for Spectre x360 13 ae000, for Spectre x360 15 bl0xx.2. 4096 Pressure: This stylus for Pro 4 adopts professional 4096 pressure level that provide unique painting experience and quick response with no delay.3. Quick Erase: This for Pro stylus pen is designed with quick erase function and customizable shortcut key which ensure more convenience and high efficiency.4. Palm Rejection: This smart pen for Pro 3 features palm rejection, making you control the screen more accurately. You can safely put your hand on the screen and write without worries.5. Rechargeable Battery: This for Pro X pen is designed with rechargeable battery, 1 hour charging supports up to 80 hour use. Comes with 4 stylus tips for replacement, which can be easily detached and installed.Specification:Item Type: For Pro 3 StylusMaterial: Aluminium AlloyBT Version: V4.2MPP Protocol: 2.0Pressure Level: 4096Charging Interface: Type CTip: Original HB TipFor Win lnk Function: Supports Customizable Shortcut Keys In lnkSupport: Tilt Pressure Sense, Palm Rejection, Magnetic SideBattery Type: 90mAh Lithium Ion Battery (Inbuilt Battery Included)Compatible Models: Designed for Pro 3, for Pro 4, for Pro 5, for Pro 6, for Pro 7, for Pro X, for Pro 8, for Pro 9, for Book1/2, for Laptop1/2/3/4/5, for Studio1/2, for Go1/Go2/Go3, for Hub 1/2, for Laptop Studio, for Inspiron 13 7373, for Inspiron 15 7573, for Envy 17 aexxx, for Envy x360 15 bp0xx, for Envy x360 15 bq0xx, for Pavilion x360 11m ad0xx, for Pavilion x360 14m ba0xx, for Pavilion x360 15 br0xx, for Spectre x2 12 c0xx, for Spectre x360 13 ac0xx, for Spectre x360 13 ae000, for Spectre x360 15 bl0xx..Package List:1 xFor Pro 3 Stylus1 x Set of Stylus Tip(4Pcs)1 x Charging Cable1 x User Manual