Features: Widely compatible with iOS and Android system's mobile phones and tablets. Built-in rechargeable battery, available to use 8 hours after one full charged, and support 1 month standby time, long endurance time. Magnetic Adsorption: Stick to the ipad and never lose it when not in use. Durable to Use: Adopt high quality silicon pen nib, precise drawing and silent writing, no delay. LED Display: You can see the stylus status by the color of the LED light on the button. The white light means the pen is on. Red light for pen charging status, and turn green as the battery is full. Specification: Size: 165x9.6mm weight: 13.3g Color: White, Black (Optional) Charge Power: 5V 0.1A Battery: Lithium polymer battery 110mAh Charging Time: About 60-80min Discharging Time: 8hrs Standby Time: Standby for up to 3 months on full charge Package Size: 19.5x6.5x2cm/7.6x2.5x0.7in Package Weight: 86g/3oz Packing List: 1 x Pen 2 x Spare Pen Nib 1 x DC-USB Charging Cable 1 x User Manual