【9 frequently used buttons and 1 customized button】：Compared to the 5 common buttons of the KP008, we have added answer call, hang up call, play pause, playback option toggle, and a customization button.We believe that you can also get a good experience from it. | 【Good compatibility】：Almost all Android car stereos can be used, you only need the car radio to support the steering wheel buttons to learn, so that you can use it normally after completing the learning. (Portable car stereos using y-metdriving do not require learning and can be used directly) | 【Easy Installation, Signal Indicator Lights On】；After connecting the receiver to your car stereo and learning the buttons, you can use this product immediately. You can fix the remote control on the steering wheel by adjusting the screws or place it in a convenient location. When any button is pressed, the signal indicator light on the head will light up for a few seconds, representing that it has completed a job, which can let you know at a glance when driving at night. | 【Able to work for 3 months】：In order to ensure the longevity of the steering wheel remote control, the head indicator does not stay on for long periods of time, and under normal conditions of use, it will usually work for about 3 months or even longer. | 【High Quality enjoyment & Get Excellent Customer Service】：We have confidence in the quality of our products.If you purchase or use encounter any problems, please feel free to contact our Amazon Email! We offer the best customer service for you!