---
product_id: 400157109
title: "Samsung Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model"
brand: "samsung"
price: "¥18390"
currency: JPY
in_stock: true
reviews_count: 1
category: "Samsung"
url: https://www.desertcart.jp/products/400157109-samsung-official-smart-keyboard-trio-500-ej-b3400ubegus-black-us
store_origin: JP
region: Japan
---

# 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:** ¥18390
**Availability:** ✅ In Stock

## Summary

> ⌨️ Elevate your mobile workspace—type smarter, switch faster, work anywhere!

## Quick Answers

- **What is this?** Samsung Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model by samsung
- **How much does it cost?** ¥18390 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/400157109-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, lightweight, and wireless—carry professional-grade typing comfort wherever your hustle takes you.
- • **Universal Compatibility:** Works flawlessly with laptops, smart TVs, smartphones, and tablets—your all-in-one keyboard solution.
- • **Seamless Multi-Device Control:** Switch effortlessly between 3 devices with a single click—smartphone, tablet, or laptop, all at your fingertips.
- • **Unlock Desktop Power Anywhere:** Activate Samsung DeX instantly to transform your mobile workspace into a full desktop experience—boost your productivity on the go.
- • **Personalized Hot Key Shortcuts:** Assign your top 3 apps to dedicated Hot Keys for lightning-fast access—streamline your workflow like a pro.

## Overview

The Samsung Smart Keyboard Trio 500 is a sleek, wireless Bluetooth keyboard designed for professionals who juggle multiple devices. It supports simultaneous pairing with up to three devices, offers instant access to Samsung DeX for desktop-like productivity, and features three customizable Hot Keys for quick app launches. Compact and lightweight, it delivers a comfortable typing experience across smartphones, tablets, laptops, and smart TVs, making it the ultimate on-the-go productivity tool.

## 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.

Review: nice - nice product

## 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 |
|---------------|-------|
| ASIN | B09MDMXLN4 |
| Additional Features | Touch Panel |
| Antenna Location | Office |
| Best Sellers Rank | #37,307 in Computers ( See Top 100 in Computers ) #944 in Computer Keyboards |
| Brand | Samsung |
| Built-In Media | Smart Keyboard Trio 500 |
| Button Quantity | 104 |
| Color | Black |
| Compatible Devices | Laptop, Smart TV, Smartphone, Tablet |
| Compatible devices | Laptop, Smart TV, Smartphone, Tablet |
| Connectivity Technology | wireless |
| Connectivity technology | wireless |
| Customer Reviews | 4.4 out of 5 stars 440 Reviews |
| Enclosure Material | Plastic |
| Hand Orientation | Ambidextrous |
| Item Dimensions L x W x H | 29L x 3W x 13.3H centimeters |
| Item Type Name | Keyboard |
| Item Weight | 1.16 Pounds |
| Item height | 5.24 inches |
| Keyboard Backlighting Color Support | Single Color |
| Keyboard Description | Wireless |
| Keyboard Layout | QWERTY |
| Keyboard description | Wireless |
| Manufacturer | Samsung |
| Model Name | Samsung keyboard trio 500 |
| Model Number | EJ-B3400UBEGUS |
| Number of Keys | 104 |
| Number of Sections | 1 |
| Power Source | Battery Powered |
| Recommended uses for product | Office |
| Series Number | 3400 |
| Special features | Touch Panel |
| Style Name | Classic |
| Switch Type | Rubber membrane or dome |
| Theme | No theme |
| Total USB 2.0 Ports | 1 |
| UPC | 887276540375 |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Samsung
- **Compatible devices:** Laptop, Smart TV, Smartphone, Tablet
- **Connectivity technology:** wireless
- **Keyboard description:** Wireless
- **Recommended uses for product:** Office

## Images

![Samsung Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model - Image 1](https://m.media-amazon.com/images/I/51TNK0kytBL.jpg)
![Samsung Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model - Image 2](https://m.media-amazon.com/images/I/51cX6Dla3vS.jpg)
![Samsung Official Smart Keyboard Trio 500 (EJ-B3400UBEGUS), Black - US Model - Image 3](https://m.media-amazon.com/images/I/71Fv7EcNGUS.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/814r7XWIqtS.jpg)

## 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

### ⭐⭐⭐ nice
*by A***V on 26 October 2025*

nice product

## Frequently Bought Together

- SAMSUNG Official Smart Keyboard Trio 500 (EJ-B3400UWEGUS), White - US Model
- 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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**Shop now:** [https://www.desertcart.jp/products/400157109-samsung-official-smart-keyboard-trio-500-ej-b3400ubegus-black-us](https://www.desertcart.jp/products/400157109-samsung-official-smart-keyboard-trio-500-ej-b3400ubegus-black-us)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-22*