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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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Blank NFC Tags Ntag215 Card NFC 215 Tags Programmable NFC Business Card Black NFC Cards Waterproof，Compatible with iPhone and NFC Enabled Mobile Phones and Devices (50 pcs)

Blank NFC Tags Ntag215 Card NFC 215 Tags Programmable NFC Business Card Black NFC Cards Waterproof，Compatible with iPhone and NFC Enabled Mobile Phones and Devices (50 pcs)

Product ID: 380927830

Details

Brand
sanpopo
Color
Black
Material
Polyvinyl
Shape
Round
Size
50pcs

💧Waterproof PVC build

💾504 bytes rewritable memory

📏25mm compact size

€ 28.45

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

📲 Unlock the future of smart sharing with every tap!

COMPACT PORTABLE - Sleek 25mm diameter fits effortlessly in your wallet or keychain for on-the-go connectivity.
FLEXIBLE SECURE USAGE - Easily program, lock, or rewrite your tags for business cards, WiFi sharing, authentication, and more.
DURABLE WATERPROOF DESIGN - Crafted from abrasion-resistant PVC, these tags thrive outdoors and near water without losing functionality.
HIGH CAPACITY NTAG 215 CHIP - Store up to 504 bytes of data with over 100,000 rewrites—perfect for evolving digital needs.
UNIVERSAL NFC COMPATIBILITY - Seamlessly works with iPhone and most NFC-enabled Android devices for instant sharing and interaction.

This pack of 50 black NTAG215 NFC tags features a compact 25mm waterproof PVC design, offering 504 bytes of rewritable memory compatible with iPhone and most NFC-enabled devices. Durable and versatile, these programmable tags support over 100,000 read-write cycles, ideal for dynamic digital interactions like business cards, WiFi sharing, and secure authentication.

Specifications

ASIN	B09L7MKRDH
Best Sellers Rank	#39,369 in Office Products ( See Top 100 in Office Products ) #275 in Blank Labeling Tags
Brand Name	sanpopo
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (218)
Item Shape	Round
Item Weight	1 Ounces
Manufacturer	SANPOPO
Manufacturer Part Number	PD-COIN-B-50
Material Type	Polyvinyl Chloride
Model Number	NTAG215
Number of Labels	50
Size	50pcs
UPC	770807905272
Unit Count	1.0 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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