Can you use just one and rewrite it multiple times?

Using a third party app like NFC TOOLS, yes, you can rewrite these.

How do you program it for wifi using an iphone? It came with no insptructions!!

Search for "NFC Tools" on your app store, and then look on utube for some examples.

do these work on Android devices as well as iPhone?

you need to download an app to write them but there are apps for most iphones and andriods.

Are they waterproof? I want to use them in clothing for my brand!

They'd do fine in light water, but a full washing will heavily damage them, and the dryer will finish it off

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50pcs NFC Cards NFC Tags Ntag215 chip NFC215 tag rewritable NFC Coin Cards， Compatible with Tagmo and NFC Enabled Mobile Phones and Devices, Round (25 mm/ 1 Inch)

Product ID: 335508999

Details

Brand
sanpopo
Color
White
Material
Polyvinyl
Shape
Round
Size
50pcs

💧Waterproof PVC build

📏25mm compact size

🔄100,000+ rewrites

$29.55

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📲 Unlock endless possibilities with every tap!

COMPACT PORTABLE - Sleek 25mm round design fits effortlessly in your daily carry.
ENDLESS REUSABILITY - Rewritable over 100,000 times—update your data as often as your ideas evolve.
ROBUST WATERPROOF - Durable PVC material ensures reliable performance even outdoors or near water.
SEAMLESS COMPATIBILITY - Works flawlessly with TagMo and all NFC-enabled Android devices for instant connectivity.
HIGH CAPACITY NTAG 215 CHIP - 504 bytes of memory to store URLs, business cards, WiFi info, and more with ease.

This pack of 50 round NFC cards features high-quality NTAG215 chips with 504 bytes of rewritable memory, housed in durable waterproof PVC. Designed for seamless use with TagMo and NFC-enabled devices, these compact 25mm tags offer over 100,000 rewrite cycles, perfect for sharing social links, business info, or secure authentication. Ideal for professionals seeking versatile, portable tech to stay connected and ahead.

Specifications

ASIN	B0932D8C3V
Best Sellers Rank	#27,059 in Office Products ( See Top 100 in Office Products ) #164 in Blank Labeling Tags
Brand Name	sanpopo
Color	White
Customer Reviews	4.5 4.5 out of 5 stars (1,010)
Item Shape	Round
Item Weight	0.34 Kilograms
Manufacturer	SANPOPO
Manufacturer Part Number	PD-COIN-S-50
Material Type	Polyvinyl Chloride
Model Number	PD-COIN-S-50
Number of Labels	50
Size	50pcs
UPC	760640349661
Unit Count	1.0 Count

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