New RM-AAU013 Remote Control fit for Sony Home Theatre System. Model: RM-AAU013 / RMAAU013 We sold is replacement infrared remote control, only put into new battery will work.  Please note: if not work, please change BRAND NEW ALKALINE BATTERY instead of rechargeable battery to try, and make nothing is blocking the front of your device.  Compatible with Belowing TV models:  HT-DDW885 HT-DDW685 STR-DG510 SS-SRP885 SS-CNP885 SA-WP780 SS-MSP885 SS-SRP685 SS-MSP685 SS-WP685 SS-CNP685 HTDDW885 HTDDW685 STRDG510 SSSRP885 SSCNP885 SAWP780 SSMSP885 SSSRP685 SSMSP685 SSWP685 SSCNP685 Pacakge Included: 1pcs x Replacement Remote Control Note: If your tv/dvd... model number is not listed on our model list, please email to us before you order it, we will help you find the right remote control. Thanks for your supporting in advance!