X4 Advanced Pro seamlessly integrates advancements in portable computing with the Multifunction Battery Charger; bringing real-time monitoring to your Apple® devices such as the iTouch, iPhone and iPad. With the Bluetooth communication, the X4 Advanced Pro can display your charger’s charging/discharging data. Whether you are an enthusiastic pilot demanding comprehensive charging data or an everyday sport racer looking for that high performance, the X4 Advanced Pro puts the charger at your fingertips.