The Fire TV Stick 4K Max supports 4K HDR and offers smooth streaming with Wi-Fi 6. Fire TV Stick 4K Max - Includes Alexa Voice Remote (3rd generation) | Streaming Media Player - Model Name: Fire TV Stick 4K Max - Wi-Fi Standard: Wi-Fi 6 - Resolution: 4K HDR - Dolby Technologies: Dolby Vision, Dolby Atmos - Streaming Services: Netflix, Prime Video, Hulu, YouTube, ABEMA, U-NEXT - HDR Standards: HDR10, HDR10+ Purchased new, then unused and unopened, and stored. The box has some stains, but there are no issues with use! It's an unopened item, and although it was temporarily registered to an Amazon account, it has been deleted.