Feature:1. The operation is simple, no programming is required, no pairing is required, and the keys are sensitive.2. Perfect remote control, without any program, just install 2 x AA batteries to work, easy to use.3. This is the best replacement remote when your original remote is damaged or lost.4. It is made of high quality ABS material, durable and wearresistant, and has a long service life.5. High quality alternative remote control, suitable for Sony HiFi audio control system remote control.Specification:Item Type: Remote ControlMateMaterial: ABSColour: BlackApplicable Products: Suitable for Sony RDHGTK37IP FSTGTK17IP FSTGTK37IP GTKX1BT RDHGTK17IP HiFi Audio Control System Remote ControlRemote Control Battery: 2 x AA Batteries (Not Included).Package List:1 x Remote ControlNote:The product needs to be used with 2 x AA batteries, and the product does not contain batteries.