This Ethernet Adapter w/ USB Hub for the Fire TV 3 and Fire TV Stick 2 is cheaper and better than 's official adapter
4 in 1 Ethernet Adapter and 3 Ports USB OTG Hub for Fire TV Stick 4K/Chromecast/Google Home Mini/Raspberry Pi Zero and Other Streaming TV Sticks,Micro
Ethernet Adapter for TV Stick (2nd GEN), All-New Firestick (2017), 4K Firestick (2019-21), USB Ethernet Up to 100Mbps Adapter Micro USB Power OTG Cable Adapter - Wired Ethernet Connection
Wired Ethernet adapter on a Fire TV Stick
UGREEN Ethernet Adapter Compatible with Fire TV Stick 4K Max Lite Chromecast Google Home Mini and
UGREEN USB Ethernet Adapter Micro USB Connector, and USB 2.0 Power Cab
Ethernet Adapter for TV Stick, Fire Stick Ethernet Adapter 4K, KOOPAO Micro USB to RJ45 Ethernet Adapter with USB Power Supply Cable for Streaming Sticks Including Chromecast, Google Home Mini
Ethernet Adapter for Fire TV Stick, Electop Micro USB to RJ45 Ethernet Network Adapter Compatible with 4K Fire Stick,Chromecast Google Home Mini and More Streaming TV Sticks(Adhesive Tape Included) - Yahoo Shopping
Ethernet Adapter for Fire TV Stick, Electop Micro USB to RJ45 Ethernet Network Adapter Compatible with 4K Fire Stick,Chromecast Google Home Mini and More Streaming TV Sticks(Adhesive Tape Included) : Electronics
Ethernet Adapter for Fire TV Devices
LAN Ethernet Connector / OTG USB Cable Adapter Set for 4k Fire Stick TV
This all-in-one adapter is the easiest way to add Ethernet to the Fire TV Stick
Ethernet Adapter for Fire TV Stick, Micro USB to RJ45 Ethernet Network Adapter Compatible with 4K Fire Stick