Fangrui Product Details 1. Support Various Android / Wince Car Multimedia Player 2. Mute, Volume, And Next/up, Phone Answer And Hang Up Program ( Music, Video, Radio,bluetooth ...) 3. Sticker Fixed On Car Steering Wheel 4. Cable Connect With Swc Key Cable Of Car Multimedia Player 5. Easy Installation , After Wires Connection, Enter The Swc Interface Of Car Multimedia Player ,and Study The Wire Connection Universal Steering Wheel Controller Tips: 1. The Product Is Not A Portable Remote Controller , And Can Not Work Any Tablet Pc , Home Tv , Or Car Headrest , Roof Mount Monitor ... . It Just Work The Function As Car Steering Wheel Control Button. 2. The Product Can Work With Wince Car Radio , Or Android Car Radio . If Your Car Radio Has Steering Wheel Control Function , Our Product Can Work , And Control The Button For Bluetooth , Radio , Music Or Video After Study 3. If Your Car Radio Do Not Have Steering Wheel Control Function ,please Do Not Buy , Our Product Could Not Work. Knowledges For Installation: 1. Before Installation Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store