Brief Description 1.Make sure tablets is powered on. 2. Open the Active Stylus package to have a check. Pressand hold the power button for 1 second to enter thewriting mode. LED light will be on in working mode. 3. The red LED indicates low battery. When the battery isfully charged, LED will change the color. Active Stylus willbe off when the pen is idle. 4. It can be used for about 80 hours after charged 20minutes. It can be fully charged for charging 1 hour. 5. Active Stylus is equipped with an intelligent powermanagement system that can switches to the optimizedpower-saving mode and detects voltages automatically: ? It will switch to power-saving mode after 10-minutesidle. ? Press any button can wake up from the power savingmode. 6. Active Stylus can be charged directly with the MicroUSB of mobile phones or tablets.

?Compatible Models?This stylus pen is compatible with Microsoft Surface Pro X, Surface Pro 9/8/7/6/5/4/3, Surface Book 3/2/1, Surface Go 3/2/1, Surface Studio 2/1, Surface Laptop 4/3/2/1, and Surface 3 tablets. ?Ultra fast Charging and Intelligent Power Management? Avoid the trouble and waste of disposable batteries. It can be used for about 80 hours after being charged for 20 minutes. With the Smart power management design, it will switch to power-saving mode after 10-minutes of idle. Pressing any button can wake you up from the power-saving mode. ?Palm Rejection Function & Magnetic Attach?This stylus pen has a palm rejection function that allows you to rest your palm comfortably on the screen while you write or draw without interfering with stylus use. Magnetic adsorption design,You can place gently carry the pen on the tablet LEFT side of , it absorbs immediately(Only those compatible with magnetic suction have effect). ?Unique Triangular Design?The unique triangle design of the penholder is better than the general U-shaped design, making the holding more comfortable and the writing more smooth and more natural. It weighs only 19 grams, has a 10 mm diameter, Made of premium aluminum alloy, making the pen is lightweight and durable. You can use it for a long time without feeling tired. ?Support Tilt Sensitivity & 4096 Pressure Sensitivity?Support MPP2.0 protocol helps allows you to precisely sketch and shade ,with 4096 pressure sensitivities that respond to the lightest touch. Tilting the stylus at an angle also allows you to shade like you would with a real pencil. Note: Tilt sensitivity compatibility depends on the application and pen brush.