L1 12.3
L1 12.3
L1 12.3
L1 12.3
L1 12.3
L1 12.3

L1 12.3" Portable Monitor with Dual Speakers for Laptop

  • 12.3-inches ultra-long portable screen
  • 1920 x 860P@60HZ FHD display
  • All devices are available
  • Compatible with all operating systems
  • 12.3" Portable Monitor
  • Buy in 4 interest-free installments with Klarna
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L1 Overview

L1 Portable Monitor with advanced IPS Full HD screen, supports 10-point touch.With a car play screen, the travel-friendly monitor provides a brighter image even in sunlight, so you can take it with you wherever you go.
  • 1920*860P@60HZ FHD display

    With excellent colour reproduction capabilities, gives you a clearer, smoother gaming and multimedia experience.
  • Single cable connection

    Be connected to power and display signal transmission without any applications or drivers.
  • Multiple display modes

    Duplicate mode/extended mode/second screen mode/portrait mode.
  • Multi-Device Compatibility

    Compatible with most laptop, Android smartphone, PC, PS4, Xbox or Nintendo Switch and more.


  • Single-cable connection

  • Work with all Devices

  • Compatible with all OS

  • 1920*860P@60HZ FHD

  • Dual built-in stereo speakers


Plug & Play Travel Monitor

The laptop monitor extender features 2 full-featured Type-C ports that can be connected to power and display signal transmission without any applications or drivers.

Boost Office Productivity

Through multiple display modes: Duplicate Mode/Extended Mode/Second Screen Mode/Portrait Mode, you can perform multiple tasks simultaneously while using this portable laptop monitor.


Satisfy Entertainment Needs

With dual built-in stereo speakers, the portable screen for laptop can provide an immersive experience for music/movies/video games.

Super Compatibility

L1 is equipped with 2 USB Type-C ports, 2 USB-A ports and mini HDMI port, easy access to your favourite devices, and can also connect mouse, keyboard, U disk and hard drive. No driver installation required.



  • Product name: Kwumsy L1
  • Resolution: 1920*860P
  • aspect ratio : 16:7
  • Screen size: 12.3 inches
  • Color format: RGB
  • Panel: IPS wide viewing angle
  • Refresh rate: 24HZ-60HZ
  • Product weight: 2000g(Packed weight)
  • Product size:387.4*149.9*25.8mm
  • Average brightness: 600CD/㎡
  • Port: TYPE-C*2+USB-A*2+MINI HDMI
  • TYPE-C input:USB3.1 (via DP protocol), charging PD3.0 60W (20V/3A)
  • Speaker: 2pcs total 
  • Product material: PC+ aluminum alloy


  • Laptops, Android smartphones, PC, PS4, XBOX ONE or Nintendo Switch mouse, keyboard, U disk and hard drive.
Operating System
  • MAC/Windows/Android/Chrome/Linux

In The Box

Product List/ModelQty
L1 Portable Monitor× 1
USB C-C Cable × 1
USB A-C Cable× 1
HDMI-Mini HDMI Cable× 1
Beginner's Guide× 1
User Manual× 1


Connection Method: 
  • Full Function Type-C:If your device has full-function Type-C ports, you can connect it directly using a USB-C to USB-C cable. 
  • USB-A + HDMI:If your device has USB-A port and HDMI port, you can connect it with USB-A to USB-C cable and HDMI to MINI HDMI cable. Note: It is recommended to provide an additional power supply for L1 when connecting, which can make the signal transmission more stable.

Warming Tips:
  • Before You Buy: Please determine the type and number of ports available on your devices. Are there full-function Type-C ports? Full-function Type-C is capable of transferring data, video, and power simultaneously.

 L1 Customer Reviews