---
product_id: 391483105
title: "SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model"
brand: "samsung"
price: "€ 10.13"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.pt/products/391483105-samsung-official-smart-keyboard-trio-500-ej-b3400ubegus-black-us
store_origin: PT
region: Portugal
---

# Instant Samsung DeX access 3 customizable Hot Keys 3-device multi-pairing SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model

**Brand:** samsung
**Price:** € 10.13
**Availability:** ❌ Out of Stock

## Summary

> ⌨️ Master your multitasking with the keyboard that keeps up with your hustle!

## Quick Answers

- **What is this?** SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model by samsung
- **How much does it cost?** € 10.13 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/391483105-samsung-official-smart-keyboard-trio-500-ej-b3400ubegus-black-us)

## Best For

- samsung enthusiasts

## Why This Product

- Trusted samsung brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek & Portable Design:** Compact, slim, and lightweight—perfect for professionals who demand performance anywhere.
- • **Universal Compatibility:** Works flawlessly with smartphones, tablets, laptops, and even smart TVs for ultimate versatility.
- • **Seamless Multi-Device Control:** Switch effortlessly between 3 devices with a single click—stay connected without missing a beat.
- • **Unlock Desktop Power Anywhere:** Access Samsung DeX instantly for a full desktop-like productivity boost on the go.
- • **Personalized Productivity Shortcuts:** Assign 3 Hot Keys to your favorite apps for lightning-fast, one-touch access.

## Overview

The Samsung Smart Keyboard Trio 500 is a sleek, portable Bluetooth keyboard designed for professionals on the move. It pairs with up to three devices simultaneously, offers instant access to Samsung DeX for desktop-like productivity, and features 3 customizable Hot Keys for quick app launching. Lightweight and compact, it ensures seamless typing across smartphones, tablets, laptops, and smart TVs.

## Description

Samsung’s Smart Keyboard Trio 500 is a portable Bluetooth keyboard with a compact and slim design. You can type on Phones, Tablets and other devices at anytime, anywhere.

## Features

- Pair multiple devices & switch with a click - Connect it with up to three different devices at once. Enjoy wide compatibility and easy pairing, as a click is all you need to switch between smartphones, tablets, and other devices
- Enter into Samsung DeX for productivity - By accessing DeX via the Samsung Smart Keyboard Trio 500, reaching a desktop-like performance and productivity becomes a reality you can manifest from anywhere. Work with multiple windows at once, efficiently respond to messages and emails on one screen, and achieve beyond the boundaries of devices
- Assign custom Hot Keys to your favorite apps - Have shortcuts to the apps that you use the most, and enjoy one-click access using 3 Hot Keys. Whether it's your favorite content streaming app or your most frequently used utility app, launching them is always a Hot Key away
- Wireless keyboard to-go for when you're on the go - Always be ready to achieve. Compact, slim, and tastefully designed yet packed with special functions for a boosted performance, the wirelessly connectable Samsung Smart Keyboard Trio 500 delivers a comfortable typing experience wherever you are
- Compatible devices: smart tv

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Number of USB 2.0 Ports | 1 |
| Brand | Samsung |
| Series | Samsung keyboard trio 500 |
| Item model number | EJ-B3400UBEGUS |
| Hardware Platform | Laptop, Smartphone, Tablet |
| Operating System | Windows |
| Item Weight | 1.16 pounds |
| Product Dimensions | 11.42 x 1.16 x 5.24 inches |
| Item Dimensions  LxWxH | 11.42 x 1.16 x 5.24 inches |
| Color | Black |
| Power Source | USB |
| Batteries | 2 AAA batteries required. (included) |
| Manufacturer | Samsung |
| ASIN | B09MDMXLN4 |
| Date First Available | November 19, 2021 |

## Product Details

- **Brand:** Samsung
- **Compatible Devices:** Laptop, Smart TV, Smartphone, Tablet
- **Connectivity Technology:** wireless
- **Keyboard Description:** Wireless
- **Recommended Uses For Product:** Office
- **Special Feature:** Touch Panel
- **Color:** Black
- **Keyboard backlighting color support:** Single Color
- **Style:** Modern
- **Product Dimensions:** 11.42"L x 5.24"W x 1.16"H

## Images

![SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model - Image 1](https://m.media-amazon.com/images/I/814r7XWIqtS.jpg)
![SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model - Image 2](https://m.media-amazon.com/images/I/71Fv7EcNGUS.jpg)
![SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model - Image 3](https://m.media-amazon.com/images/I/81o9kS6wCnS.jpg)
![SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model - Image 4](https://m.media-amazon.com/images/I/71OU+ShzTFS.jpg)
![SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model - Image 5](https://m.media-amazon.com/images/I/51TNK0kytBL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: does it work with samsung galaxy Fold2 Phone ?**
A: Works with any Samsung or Android phone. It is just tailored towards Samsung Phones with the Hot Keys. Get it, it's worth it.

**Q: Will this keyboard work with a Samsung M70b smart monitor?**
A: David, what is the secret to input the passcode with this keyboard on the Samsung smart monitor M70b? The monitor recognizes the Trio 500 keyboard but I have no way to input the PIN to pair up.

**Q: Can theirs keyboard be paired with samsung model un50r u7100?**
A: Yes. Any Samsung Phone.

**Q: Can this be paired with Samsung S22?**
A: I have a S21 and it paired. I'd guess it will pair to an S22.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product for quick switching Samsung and Windows
*by A***R on August 22, 2025*

Initially I was skeptical about getting a keyboard without a rechargeable battery but this keyboard is great. Very high build quality, great range and it works with all my devices flawlessly. I simply use the rechargeable cells from Amazon and the batteries last months for me.

### ⭐⭐⭐⭐⭐ Wow...what a beauty !
*by A***H on January 25, 2024*

I have been in awe with this little lean and mean beauty. Set up was a cinch and was up and running connected to two PCs in an instant. Can't wait for my Galay to arrive to see the possibilities with this one. Good quality build and packs more than what you would see in a "normal keyboard". I have had multiple Logitech ones .. mostly double the size, without the ease with which the Trio can handle all of that. Excellent purchase . I have not set up the one touch app launch yet...but I am sure that should be a no brainer. Also never bother reading the tiny manual inside...it's worthless.One issue I had was that I could not register this at Samsung.com as it was expecting a 15 digit S/N , while I can only see a 14 digit S?N on this one.....wonder why ? I will probably call customer service and clear that . Overall an amazing purchase ...one that should have been done way before actually !

### ⭐⭐⭐⭐⭐ Great for minimalist in a dex environment
*by C***N on September 13, 2025*

Slim and functional!Used for a dex setup, for quick research and organization that a phone cant do.This keyboard is exactly what I was looking for!

## Frequently Bought Together

- SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model
- Samsung Bluetooth Wireless Mouse Slim, Compact, Silent, for Laptop, Tablet, MacBook, Android, Windows - Black

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-13*