Welcome to our store! 1.1. USART data buffer up to 2K bytes, baud rate increased to 230.4 Kbps. Faster, more reliable, and more feature-rich than its predecessors. 2.2. OBD request byte up to 1024 bytes, can meet the needs of some special long frame communication. 3.3. TP transmission protocol ensures the security of wireless communication. Battery saver technology, innovative sleep function allows you to leave it plugged in without the risk of draining the car battery. 4.4. Superior compatibility, works with more third-party apps and software than any other adapter. 5.5. Supports battery voltage drop, OBD bus active, etc. Up to 3 ways to wake up from sleep mode. 6.6. Over-voltage, over-current, over-temperature, and battery discharge protection, firmware updates. 7.7. Fully compatible with ELM's AT command set (ELM327, ELM329); Upgraded version of iCar pro, especially for coding apps that require large amounts of data transfer. 8.8. Vlinker BM+ is a diagnostic scanning tool, tachometer, logger, and real-time performance monitor. This pocket-sized unit will not block the driver's legroom and features outstanding performance, intelligent sleep mode, exceptional third-party app support, and free lifetime firmware and software updates. 1. Vlinker BM+ is a dual-mode Bluetooth product that transforms into a professional diagnostic scanning tool. 2. Unlike other OBD adapters, Vlinker BM+ will not drain your battery if you leave it plugged in. The operating current is 51mA, automatic sleep mode, the sleep current is as low as 3mA. 1*Vgate Vlinker BT4.0 1*User Manual Satisfaction Guarantee: Customers are our top priority. If you find any problems with the product, please contact the seller immediately. We strive to provide satisfactory customer service.