1、COMPATIBLE MODELS: For Microsoft 3, Pro 3, Pro 4, Pro 5, Pro 6, Pro 7, Pro X, Pro 8, Pro 9, for Book1/2/3, for Laptop 1/2/3/4/5, for Studio1/2, for ASUS for Transformer Mini (T102HA ), for Transformer 3 Pro (T303UA), for Transformer Pro (T304UA), for ZenBook Flip S (UX370UA), for Vivobook Flip 12 R211NA, for HP for Envy 17 aexxx, for Envy x360 15 bp0xx, etc. 2、MPP 0 TECHNOLOGY: Digital tablet stylus features MPP 0 technology for reduced latency, smoother color transitions and enhanced response times on touchscreen devices. 3、4096 LEVELS TILT PRESSURE SENSITIVITY: The easy to use active digital pen requires only light pressure to experience the accuracy of the pen tip and 4096 levels of tilt pressure sensitivity to edit, draw, write, doodle and more. 4、WITH 2 BUTTONS: Tablet stylus pen comes with 2 personalized buttons to customize your pen controls for your innovative experience. 5、4 INTERCHANGEABLE NIBS: Comes with 4 interchangeable nibs, you can replace them with a tool in the middle and replace them with a simple twist for smoother, more accurate and longer working time. 1 x Stylus (Battery Not Included)4 x Replacement Pen Tip1 x User Manual Item Type: MPP 2.0 Stylus PenMaterial: Aluminum AlloyPressure Sensing: 4096 Levels, Tilt Pressure SensingNib: Original HB NibButton Function: Eraser and Right Click FunctionBattery Type: 1xAAAA Alkaline Battery (Not Included)Compatible Models:For Microsoft:For Microsoft 3For Microsoft Pro 3For Microsoft Pro 4For Microsoft Pro 5For Microsoft Pro 6For Microsoft Pro 7For Microsoft Pro XFor Microsoft 8For Microsoft 9For Microsoft for Book1/2/3For Microsoft for Laptop1/2/3/4/5For Microsoft for Studio1/2For Microsoft for Go1/Go2/Go3For ASUS:For ASUS for Transformer Mini (T102HA)For ASUS for Transformer 3 Pro (T303UA)For ASUS for Transformer 3 (T305CA)For ASUS for Transformer Pro (T304UA)For ASUS for ZenBook Flip S (UX370UA)For Asus for Vivobook Flip 12 R211NA,For Vivobook for Flip 14 R211NAFor HP:For HP for Envy 17 aexxxFor HP for Envy x360 15 bp0xxFor HP for Pavilion x360 11m ad0xxFor HP for Pavilion x360 14m ba0xxFor HP for Pavilion x360 15 br0xxFor HP for Spectre x2 12 c0xxFor HP for Spectre x360 13 ac0xxFor HP for Spectre x360 13 ae000For HP for Spectre x360 15 bl0xxfor VAIO Z Flip (VJZ13BX0211B)For ACER:For Acer for Spin 5For Acer for Nitro 5 SpinLength: Approx. 145mm / 5.7in