Product description vLinker FD+ is a Bluetooth dual-mode product , Transform your iPhone(BLE), Android device, or Windows PC into a professional-grade diagnostic scan tool. The vLinker FD+ Bluetooth OBD-II adapter provides access to MS-CAN networks in addition to all legislated OBD-II protocols.Unlike other OBD adapters, vLinker FD+ won't drain your battery if you leave it plugged in. Operating Current is 51 mA, automatic sleep in idle state, sleep current is as low as 3mA. KEY FEATURES: 1.USART data buffer up to 2K bytes, baudrate increased to 230.4Kbps.Faster, more reliable, and more feature-rich than its predecessors. 2.OBD request byte up to 1024 bytes, can meet the needs of some special long frame communication. 3.Support MS-CAN protocols - can access these proprietary Ford networks in addition to the 5 standard OBD-II protocols. 4.TP transmission protocol , Ensure wireless communication security. 5.BatterySaver technology - innovative sleep function lets you leave it plugged in without danger of draining your car's battery. 6.Superior compatibility - works with more 3rd party apps & software than any other adapter. 7.Support battery voltage drop, OBD bus active etc. Up to 3 ways to wake up from sleep mode. 8.Over-voltage, over-current, over-temperature and battery drain protection, firmware updates 9.Fully compatible with ELM's AT command set (ELM327, ELM329); 10.Fully compatible with STN's ST command set; vLinker FD+ is a diagnostic scan tool, trip computer, logger, and real-time performance monitor. This pocket-size adapter won't obstruct driver legroom and features unparalleled performance, intelligent sleep mode, exceptional third party app support, and free lifetime firmware and software updates.