Usage Tips:Voice Bluetooth Remote Control. RMF-TX520P Replace Voice Remote for Sony Bravia LCD TV KD-43X80J KD-50X80J KD-55X80J KD-55X85J KD-65X80J KD-65X85J KD-75X85J XR-55A80J XR-55X90J XR-65A80J XR-65X90J XR-77A80J Replacement Remote Control , durable and easy to install. Fine workmanship and perfect style. Power supply: 2*AAA battery (not included) Material: plastic colour: Black Please note: The voice function can only be using after the controller needs be successfully paired with the TV. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Package Contents: 1 x Remote Control Only the above package content, other products are not included. Note: Light reflection 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.