Car screen Supports 4k quality Supports all applications Fast in launching and closing applications High smoothness and high manufacturing quality Record sound is abnormally strong Continuous updates Supports steering wheel control Volume up ✅ Volume down✅ Mute✅ Video stop ✅ Video play ✅ Change video ✅ Return video change ✅ Accept call ✅ End call ✅ And many more controls not mentioned here And features Serious buyers send me a video about the strength of its sound and the quality of its videos more clearly Do not undervalue the product