1High Quality Materials: Steering wheel control button is made of high quality plastic, rubber and metal materials, high strength and durable. 28 Key Defined Functions: Wireless steering wheel control with 8 key defined functions, support volume adjustment, hang up or pick up the phone, etc. 3Intelligent Safe Driving Assistant: Not a remote control, but a real steering wheel controller. Increase safety for everyone in your own car. 4Unique Design: Cup shape design, more smooth touch feeling, makes the interior grade of your car improve in a straight line. 5Easy Installation: Easy to install, no modification is required, convenient for using, save your time and energy. Item Type: SteeringWheelControlButton Material:Plastic, rubber, metal Shape: Cup shape Fitment: Universal 1 xSteeringWheelControlButton 1 xWiring 1 x Instructions 1. This is UNIVERSAL steering wheel control,therefore we can't guarantee each key boutton match your original steering wheel button function 100%,Usually,12 boutton are malfunction that's normal condition,if you can't accept that,please don't order it the OEM CD radio or other CD player don't order it.2. The product only supports the host side control signal voltage of 3.3V5V, this product work requires two AAA(No.7) alkaline batteries, please buy by yourself.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.