4K Ultra HD. Amazon Fire TV Stick 4K Max 2nd Generation. Video Playback Formats : H.264, VP9, H.265, AV1. Supported Audio Formats : Dolby Atmos, xHE-AAC, AAC-LC, eAAC+, AAC-ELD, MP3, AMR-NB, FLAC, PCM, WAV, Vorbis, Dolby-AC3, EAC3, Dolby-AC4.
eBay