The Mi LED TV 4 PRO 138.88 cm (55) dons features such as Full-HD ultra bright display, 64-bit quad-core cortex A53 with Mali-450 MP3 for smooth interactions , PatchWall comes with over 7,00,000 hours of content right on your home page that adapts automatically according to latest trends and topics, multiple ports to connect upto 3 HDMI devices(1ARC) and 3 USBs along with SPDIF, 3.5mm Aux-in. The simple 11 button Mi Remote can control both TV and set-top box (Mi IR Cable required). The Mi LED TV 4 PRO 138.88 cm (55) is the smart Android TV that has almost everything that you are looking for in a TV and is super easy to use. • The Mi TV Pro series is based on the Android TV OS and it supports the Bluetooth 4.2 version. Since Bluetooth profiles differ according to devices (headphones and speakers), some devices may not connect or work properly.