Genuine Sony RMX231 Remote Control for Sony Head Units

Brand new genuine Sony remote control for sony car stereos.
confirm this is suitable for your head unit before buying thanks.
Compatible Stereo models
DSX-A50BT MEX-BT3100P MEX-BT3150U MEX-BT31PW MEX-BT4000P MEX-BT4050U MEX-BT4100P MEX-BT4150U MEX-GS600BT WX-850BT WX-900BT WX-GS920BH WX-G
Users Manual and Battery not included.