Usage Tips:1. The remote control RM-AAU135 is suitable for Sony STR-KM3 STR-KM5 AAU136 SS-MSP7M power amplifier remote control 2. Lightweight and ergonomic design makes it very comfortable. It is the perfect choice when your remote control is lost or damaged or you want a one. 3. This is a special replacement remote control, not the remote control, but the function is the same as the one, covering all the functions of the remote control. 4. No programming required-just insert the battery (not including the battery), it can be perfectly matched with your device or receiver, the mission distance is longer, and the performance is stable 5. Small and exquisite: easy to hold, small in size, suitable for various Sony brand models, easy to use Specification: Product name: remote control Model: RM-AAU135 Applicable brand: for Sony Applicable models: suitable for Sony RM-AAU135 STR-KM3 STR-KM5 AAU136 SS-MSP7M power amplifier remote control Power supply: 2 AA batteries (not included) Colour:black Material:ABS Package Contents: 1 * remote control Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.