4K Picture quality. Control your Roku device with one remote. Stream what you love. Portable design. Simple setup - Just plug it in connect to Wi-Fi and play. Automatic updates. Voice search. Compatible with HDTV 4K TVs 4K HDR TVs. Ports: HDMI and USB-C for power. Digital stereo over HDMI. DTS Digital Surround pass through over HDMI. Supports pass-through of Dolby-encoded audio over HDMI. Compatible with Roku Smart Home AirPlay HomeKit Google Home and Alexa.