Amazon Fire TV Stick 4K Max 2021 - Alexa

Features
technical parameters
MediaTek 8696 Processor, Quad Core 1.8GHz
GPU IMG GE8300
RAM memory: 2 GB
ROM: 8GB of internal storage (actual formatting capacity may be less) for storing apps and games
Free Cloud Storage for Digital Content Purchased from Amazon

WiFi connectivity
Dual-band Wi-Fi 6 (2.4 and 5 GHz) and dual antenna (MIMO) enabling faster data transfer and less connection drop than standard Wi-Fi
Compatible with Wi-Fi 802.11 a/b/g/n/ac networks

bluetooth connectivity
Bluetooth 5.0 and Bluetooth Low Energy

voice support
Available with Alexa voice control (included)
Also with the Fire TV app, available for free download on Fire OS, iOS and Android

infrared control
Fire TV Stick 4K and select features (such as power and volume) on a wide range of IR-compatible devices, including TVs, soundbars and AV receivers
Compatibility may vary by country and some features may not be available on some devices with infrared technology

doors
HDMI output
Micro USB for charging only

Audio and video
Dolby Atmos, 7.1 surround sound
2 channel stereo
Audio pass-through with HDMI (up to 5.1)
Dolby Atmos is currently only available on select Prime Video titles

supported formats
Video: Dolby Vision, HDR10, HDR10+, HLG, H.265, H.264 and VP9
Audio: AAC-LC, AC3, eAC3 (Dolby Digital Plus), FLAC, MP3, PCM/Wave, Vorbis, and Dolby Atmos (EC3_JOC)
Photos: JPEG, PNG, GIF and BMP.

system requirements
Compatible with HDMI and 4K Ultra HD capable TVs

output resolution
2160p, 1080p and 720p up to 60fps