inputs.text: quality not expected compared price - product quality not expected price 600 lot brands half price better quality main issues noticed1 installation not easy2 missing screws silver frame3 missing yellow plastic clips4 radio signals weak easy get affected mobile signal noise5 mini usb port not practical need usb adapting cable use usb flash drive using mini usb nowadays6 mini usb button cover cannot closed7 used 4 gb micro sd card listen music takes time start8 listen musics iphone bluetooth connection cannot change musics songs steering wheel buttons