ANCEL BD310 car scanner which built-in Bluetooth 3.0+EDR & BLE 4.0 allows users to switch between handheld mode and wireless Bluetooth mode stably. Not only can read and erase error code, with the Bluetooth mode, but BD310 will also turn your iOS, iPad, and Android device into a sophisticated diagnostic tool, trip computer, and real-time performance monitor, provide a cost-effective exclusive free app to completing various car tests, learn deeply into your car, and correct bad driving habits.