Text and emojis
Enter text, adjust its color, speed, effects and playback mode, add emojis, then send it to the LED display in one tap.
Free on iOS & Android
CoolLED1248 is a free app that turns your phone into a remote for Bluetooth LED displays. Create scrolling text, emojis, pixel art, animations and ready-made templates on your phone, then send them to an LED display over Bluetooth.

Features
Text, templates, pixel art, animations and multi-program control—all from your phone.
Enter text, adjust its color, speed, effects and playback mode, add emojis, then send it to the LED display in one tap.
Start with hundreds of built-in designs for entertainment, promotions, holidays and driving, then tailor them to your display.
Draw directly on a pixel grid to create logos, icons and your own artwork.
Create animations frame by frame or import existing ones. Bring them to life with custom effects and colors.
Combine multiple programs and divide the screen into regions so text, graphics and effects play together.
Update the display in real time over Bluetooth—no cable or internet connection required.
Where it works
Choose display content to suit the setting and your device.
Switch between ‘Open,’ ‘Sale’ and seasonal promotions whenever you like.
Keep signage, opening notices and announcements current.
Switch among ride-hailing and in-car display designs.
Add animated visuals to performances and celebrations.
Personalize supported LED hats and other wearable displays.
Try custom art, images and animations on your display.
Getting started
Download CoolLED1248 from the App Store or Google Play.
Turn on the LED display, open the app and tap to connect and control it.
Enter text, choose a template, draw pixel art or make your own animation.
Tap Send to light up the entire display instantly.
App preview
Compatibility
The CoolLED1248 app can control a range of LED displays. Available features vary by model and app version.
Help
Find setup instructions and answers to common connection questions.
Download the free app for iOS or Android.