Will it work with this rfid ring (description: "blank 125khz wood ring in-built with copyable t5577 chip, can copy the tag like tk4100/em4100/em4200"

unable to read these low frequency 125 kHz rfid tags, suggest you trying proxmark 3 for clone T5577, EM4100, EM4200

support, referring to the following apps, https://apps.apple.com/us/app/nfc-ideas/id1245536234?mt=12

Can this be used with a yubikey 5 which uses nfc?

Sorry don't know that, only know suppor Yubikey NEO c but Yubikey 5 currently seemed not be supported

ACR122U NFC Reader Writer + 5 PCS Ntag213 NFC Tag + Free Software

Product ID: 379640272

Details

Brand
ACS
Colour
white
Connectivity Technology
Nfc
Media Type
Memory Stick
Special Feature
Plug & Play

⚡Ultra-fast <100ms read time

📶Reliable 13.56 MHz NFC frequency

🔌Seamless USB 2.0 plug & play

95952CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
ACS
Colour
white
Connectivity Technology
Nfc

Description

🚀 Unlock NFC Power Instantly — Plug, Scan, Dominate!

COMPACT DURABLE DESIGN - Sleek white PC enclosure with a lightweight 100g frame fits perfectly on any desk or mobile setup.
COMPLETE NFC STARTER KIT - Includes 5 premium Ntag213 tags plus free SDK and software—everything you need to innovate right out of the box.
LIGHTNING FAST NFC READS - Experience near-instantaneous data capture with sub-100ms reading speed, keeping you ahead in every interaction.
VERSATILE CARD COMPATIBILITY - Supports a broad range of NFC tags including Mifare, Ultralight, and Ntag213/215/216 for ultimate flexibility.
EFFORTLESS USB 2 0 CONNECTIVITY - Plug & play design ensures zero setup hassle—just connect and start working across all major Windows platforms.

The ACR122U NFC Reader Writer is a compact, USB 2.0 powered device operating at 13.56 MHz frequency, delivering ultra-fast reading speeds under 100 milliseconds. Compatible with a wide range of NFC tags including Mifare and Ntag series, it supports driver-free plug & play on Windows XP through Windows 10. The package includes 5 Ntag213 NFC tags and free software, making it an all-in-one solution for seamless NFC data interaction.

Specifications

Asin	B07KRKPWYC
Best Sellers Rank	#85,257 in Computers & Accessories (See Top 100 in Computers & Accessories) #474 in External Memory Card Readers
Brand Name	ACS
Colour	white
Compatible Devices	Personal Computer
Customer Reviews	4.3 4.3 out of 5 stars (213) 4.3 out of 5 stars
Data Transfer Rate	12 Megabits Per Second
Hardware Interface	USB 2.0
Manufacturer	hp
Manufacturer Part Number	ACR122U
Media Type	Memory Stick
Model Number	ACR122U
Network Connectivity Technology	Nfc
Operating System	Windows XP
Product Features	Plug & Play
Upc	716253772891

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