Amazon Fire TV Stick 4K Max 2021 - Alexa

Technical parameters
MediaTek 8696 Processor, Quad-Core 1.8 GHz
IMG GE8300 GPU
RAM: 2 GB
ROM Memory: 8 GB of internal storage (actual formatted capacity may be less) for storing apps and games
Free cloud storage for digital content purchased from Amazon

Wi-Fi Connectivity
Dual-band (2.4 and 5 GHz) dual-antenna (MIMO) Wi-Fi 6 enables faster data transfer and less connection loss than standard Wi-Fi
Compatible with 802.11 a/b/g/n/ac Wi-Fi 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 passthrough 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