1 USART data buffer up to 2K bytes, baud rate 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 TP transmission protocol, Ensure wireless communication safety. Battery saver technology, innovative sleep function lets you leave it plugged in without danger of draining your car's battery. 4 Superior compatibility, works with more 3rd party apps & software than any other adapter. 5 Supports battery voltage drop, OBD bus active, etc. Up to 3 ways to wake up from sleep mode. 66. Over-voltage, over-current, over-temperature and battery drain protection, firmware updates. 77. Fully compatible for ELM's AT command set (ELM327, ELM329); Upgraded version of iCar pro, specifically for coding APP that requires large amount of data transmission. 88. Vlinker BM+ 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.