UGREEN | FUN+ Mechanical Keyboard

Model: KU101

Bluetooth Mode

For Windows 10 or later, please follow the popup window to complete the pairing. The name of the keyboard may be: UGREEN KB 5.0 or UGREEN KB 3.0.

UGREEN KB 5.0 (Bluetooth 5.0) is for Windows 8 or later, while Windows 7 only supports UGREEN KB 3.0 (Bluetooth 3.0).

Mode Select:

  1. Wired mode: Short press the "FN + " to enter wired mode without sliding the "On/Off" switch.
  2. Bluetooth mode: Short press the "FN + 1/2/3" to enter Bluetooth mode after moving the switch to "On".
  3. Short press "FN + 1" to use Bluetooth Device 1.
  4. Short press "FN + 2" to use Bluetooth Device 2.
  5. Short press "FN + 3" to use Bluetooth Device 3.

About the backlit of 1/2/3, please refer to the "Indicator".

Note: The keyboard will not work if you don't select the mode based on the steps above.

Adjust Backlit Brightness

The backlit is enabled by default and has 5 levels of brightness: 75% (default), 0, 25%, 50%, and 100%. You can adjust it by pressing the "FN + Cursor Keys".

FN + Key Function
FN + Brightness down
FN + Brightness up
FN + Change Light Effects (15 modes)
FN + Turn on/off

Wired Mode

Short press the "FN" to switch to wired mode.

Battery Saver

  1. The backlit will automatically turn off and enter 1st-level sleep mode with 3-minute no operation. You can wake backlit by randomly clicking.
  2. The backlit will enter 2nd-level sleep mode with 30-minute no operation. You can wake backlit by randomly clicking.

Warning: The keyboard will automatically turn off, and the keys have no response when the battery is too low.

Tips for Bluetooth Connection

The keyboard can connect to 3 Bluetooth devices simultaneously. After completing the pairing for the 1st device, please follow the steps below if you need to pair the 2nd or 3rd devices:

  1. Enter Bluetooth pairing mode: Press and hold the "FN + 2" until the backlit of the "2" blinks quickly (once every 1s).
  2. Search and Connect: Connect to "UGREEN KB 5.0" in your device Bluetooth list.
  3. Successful Pairing: The backlit of the "2" quickly blinks 3 times and then turns off. The logic and steps for pairing the 3rd device is the same as above.

FN Keys

Function FN Lock Windows(Default) macOS(Default)
ESC ESC ESC ESC
F1 Screen Brightness down Screen Brightness down Screen Brightness down
F2 Screen Brightness up Screen Brightness up Screen Brightness up
F3 Window-switching Window-switching Window-switching
F4 Close Close Close
F5 Refresh Reload Reload
F6 Turn on the PC Turn on the PC Turn on the PC
F7 Previous Track Previous Track Previous Track
F8 Play/Pause Play/Pause Play/Pause
F9 Next Track Next Track Next Track
F10 Mute Mute Mute
F11 Volume down Volume down Volume down
F12 Volume up Volume up Volume up
INS Screenshot Screenshot Screenshot
HOME Access to Search Bar Access to Search Bar Access to Search Bar
END Lock Your Computer Lock Your Computer Lock Your Computer
Pageup Display the Desktop Display the Desktop Minimise A Window
Pagedown Emoji Emoji Emoji

To enable FN Lock: Short press the "FN + ESC". At this time, you may need to press the "FN + function key" simultaneously to activate the corresponding function.

To disable FN Lock: Short press the "FN + ESC" again.

Reset

The indicator of the "1/2/3" will blink 3 times simultaneously to indicate successful resetting.

Press and hold "FN + CTRL + INS" for 1s.

Win/Mac Switching

The keyboard defaults to Windows. For macOS, please use the included keycap puller and the mac keycaps to replace the original keycaps as in the picture.

For Windows, HarmonyOS, and Android, please slide the switch on the back of the keyboard to the "Win". For macOS, iOS, or iPadOS, please slide the switch on the back of the keyboard to the "Mac".

Indicator

Function Location LED Status
Charging Power Indicator Slowly Blinks Orange Low Battery (<10%)
Solid Orange Charging
Turn off Fully Charged
Bluetooth Connection or Bluetooth Mode Select 1/2/3 Backlit Blinks White (once every 1s) Pairing
Blinks White 3 Times then Turns off Connected
Blinks White (once every 5s) Reconnect
Wired Mode Select Backlit Blinks White 3 Times then Turns off Connected
System Select Win/Mac Indicator Solid White for 3s Switch Successfully

Specifications

Model KU101
Connectivity USB/Bluetooth
Bluetooth Version 5.0
Frequency Range 2400 MHz-2483.5 MHz
Max. RF Output Power 4 dBm (conducted)
Transmission Distance 10m Max (no blocking)
Number of Keys 84 keys
Keyboard Key Lifecycle 50,000,000 times
Travel Distance 3.5mm
Cable Length 1.6m/5.2ft
Battery Type Polymer Lithium-Ion Battery
Capacity 1800mAh 3.7V (6.66mWh)
Limited Charging voltage 5.25V
Charging Time About 2.5 hours
Charging Port USB-C
Compatible Systems Windows / macOS / iOS / Android / Linux / Harmony OS

* The data are measured by UGREEN lab but may vary based on specific circumstances.

WARNING

Package Contents

PDF preview unavailable. Download the PDF instead.

50229 32814 eng fbf9fed34a00ff39de441b80ce78443a Adobe PDF library 15.00 Adobe Illustrator(R) 24.0

Related Documents

Preview Ugreen KU005 Wireless Membrane Keyboard - Bluetooth / 2.4 GHz, Black
Detailed product information for the Ugreen KU005 wireless membrane keyboard. Features Bluetooth and 2.4 GHz connectivity, black color, and key specifications including ID, EAN, and manufacturer codes.
Preview UGREEN MK356 Multi-mode Wireless Keyboard and Mouse Combo User Manual
User manual for the UGREEN MK356 Multi-mode Wireless Keyboard and Mouse Combo, detailing setup, connectivity options (Bluetooth and 2.4GHz), button functions, DPI adjustment, and troubleshooting.
Preview UGREEN K356 Multi-mode Wireless Keyboard User Manual
User manual for the UGREEN K356 Multi-mode Wireless Keyboard, covering 2.4GHz and Bluetooth connection, Fn key functions, battery information, and safety precautions. Includes specifications and compliance statements.
Preview UGREEN Multi-mode Wireless Keyboard and Mouse Combo MK356 User Manual
User manual for the UGREEN Multi-mode Wireless Keyboard and Mouse Combo, model MK356. Includes setup instructions, specifications, troubleshooting, and compliance information.
Preview UGREEN Wireless Keyboard KU004 User Manual and Specifications
User manual and specifications for the UGREEN Wireless Keyboard, model KU004. Includes product overview, features, specifications, compatibility, and regulatory information.
Preview Ugreen KU005 Ultra Slim Wireless Keyboard FCC Certification Filing
FCC Section 2.911(d)(5)(ii) applicant filing by Ugreen Group Limited for the KU005 Ultra Slim Wireless Keyboard, confirming it is not listed on the Covered List.
Preview Manual de Usuario del Teclado Inalámbrico Ultra Delgado UGREEN KU005
Manual de usuario para el teclado inalámbrico ultra delgado UGREEN KU005, que detalla la configuración, modos de conexión (Bluetooth y 2.4G), especificaciones y advertencias de seguridad.
Preview UGREEN CM662 USB 3.0 Sharing Switch - User Manual
This user manual provides detailed information on the UGREEN CM662 USB 3.0 Sharing Switch, a 2-in-4-out device that allows two computers to share USB devices like keyboards, mice, and printers. Learn about product overview, connection, specifications, and package contents.