Reason for being a "訳あり" (Defective Item): The battery cover needs to be secured with a rubber band, tape, etc., as it comes off easily. There are no issues with the functionality itself. Please only purchase if you understand the above. *Returns are not accepted to prevent product substitution!!* The following is extracted from Amazon: Features: The Alexa Voice Remote allows you to control the power, volume, and mute functions of compatible TVs. Enjoy vivid images and immersive sound with 4K Ultra HD, Dolby Vision, HDR, HDR10+, and Dolby Atmos support. Watch your favorite content on the big screen, including Prime Video, YouTube, Netflix, Hulu, Apple TV, DAZN, and ABEMA, as well as news and sports. Access a wide variety of movies, videos, apps, Alexa skills, and websites via the Silk Browser. Also compatible with various convenient Alexa features. You can play music, check sports scores, and get weather forecasts. Furthermore, Prime members can watch eligible titles on Prime Video without additional charges. Enjoy a wide range of content, including movies, dramas, anime, and comedy/variety shows. Also, listen to 2 million songs with Amazon Music Prime. Product Information: Manufacturer: Amazon Product Model Number: E9L29Y Product Size: 10.85 x 3 x 1.4 cm; 54.43 g ASIN: B079QRQTCR Notes: Please prepare two AAA batteries.