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Meet the Slide

The little brother of the Flask

The Slide is the little brother of the Flask. It's a super easy to use NFC Emulator. It has NFC and Bluetooth capabilities, and is also rechargeable, just like the Flask. The main differences are that it has no display, no on/off switch and holds 40 tags instead of 85. It was designed to offer a more cost effective solution to the Flask while keeping as much of the same functionality as possible.

It costs £34.50 or around $42 after conversion. The latest prices can be found in the shop


Emulates NTAG215 type NFC tag
✅ Yes
✅ Yes
Tag Storage
NFC Tag Read/Write Limit
Managed by app (mobile, web or desktop)
✅ Yes
✅ Yes
Has OLED display
❌ No
✅ Yes
Rechargeable Battery
✅ Yes
✅ Yes
Has on/off switch
❌ No
✅ Yes
Battery Life
1 month constantly on
1 year typical use
Battery monitor
Charge indicator
Low battery warning
Charging port type
Custom connector

How does it work?

It works exactly like the Flask. You simply use one of the apps to connect to the Slide via Bluetooth. You can add, remove and select the current tag from inside the app.

The Slide can be scannd and will appear as the selected NFC Tag to the reader.

Connect to apps

The Flask is equipped with bluetooth allowing you to connect to it. You can use the web, desktop or mobile apps to manage your Flask.

Web App

The web app allows you to add, delete and create sets of tags that allows tags to be added in bulk.

Mobile Apps

bluupLabs Connect is available for both iOS and Android and is available in both stores. You can connect to your bluuplabs Flask or Slide using bluetooth and manage your NFC Tags. There is also a tag library to store your tags for quick access.

Will there be improvements?

Absolutely, just as I always work to improve the Flask firmware, I will improve the Slide firmware.

There will also be improvements to the apps. Feel free to send any suggestions to bluup[at] .