1.Data buffer up to 2K bytes, UART baud rate increased to 500Kbps 2.Support Almost All /ELM329 Adapter Software 3.Automatic sleep and start to reduce power consumptione 4.OBD2 Standard Protocols+More protocols 5.Support user-defined commands Support:Engineered to accelerate performance over the Bluetooth link, for + is up to four times faster than befor The for + Bluetooth OBD-II adapter provides access to SW-CAN & MS-CAN networks in addition to all legislated OBD-II protocols. for + Bluetooth Operation Steps-Reference for Android users for Android System Operation Steps- + 1. Insert the product into the OBD interface of the car. 2. Turn ignition to Key On Engine Off Position 3. Turn on Bluetooth on the phone. 4. After pressing the Black Button on the product, the device name can be found on the phone. (Important Operation) 5. NOTE: Search for the device name " " or " -Android"and click Pair. (For Android system) Attention!! Do not pair " +" or " -IOS" 6. Enter the pairing code: 1234 . If the pairing is successful, you can open the APP to set up the connection. For iOS System Operation Steps- + 1. Plug the product into the OBD2 interface of the car. 2. Turn ignition to Key On Engine Off Position 3. Turn on Bluetooth on the For iOS phone. 4. No need to configure Bluetooth device name in the For iOS phone. Just enable Bluetooth button on the For iOS device and continue to the OBD app Setting. Color: Black Material: ABS Package Contents: 1 x Car Diagnostic Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.