HDMI with HDCP 2.3 and eARC (4 in / 1 out) 4K/60, 4K/120AB*, 8K/60B*, HDMI 2.1* (*via future update) Wi-Fi 2.4 GHz/5 GHz, Bluetooth, AirPlay 2 and Spotify Connect MusicCast multi-room audio and MusicCast Surround capable with MusicCast 20 or MusicCast 50 wireless surround speakers Voice control with Alexa and Google Assistant devices or Siri via AirPlay 2 Pandora, Spotify, Napster, SiriusXM, TIDAL, Deezer, Qobuz, Amazon Music Dolby TrueHD and DTS-HD MA Dolby Vision, Hybrid-Log Gamma and BT.2020 YPAO room calibration This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.